Lexus ES300H (2024 year). Manual in english - page 8

P.224)

If this message continues to be displayed

even after initialization, have the vehicle

inspected by your Lexus dealer.

■

If a 12-volt battery terminal has been

disconnected and reconnected

The system needs to be initialized. To initial-

ize the system, drive the vehicle straight

ahead for 5 seconds or more at a speed of

approximately 22 mph (35 km/h) or more.

■

Sensor detection information

●

The sensor’s detection areas are limited

to the areas around the vehicle’s front

and rear bumpers.

●

The following situations may occur

during use.

• Depending on the shape of the object

and other factors, the detection distance

may shorten, or detection may be impos-

sible.

• There will be a short delay between

object detection and display. Even at low

speeds, there is a possibility that the

object will come within the sensor’s

detection areas before the display is

shown and the warning beep sounds.

• It might be difficult to hear the buzzer due

to the volume of the audio system or air

flow noise of the air conditioning system.

• It may be difficult to hear the buzzer if

buzzers for other systems are sounding.

■

Objects which the system may not prop-

erly detect

The shape of the object may prevent the

sensor from detecting it. Pay particular

attention to the following objects:

●

Wires, fences, ropes, etc.

●

Cotton, snow and other materials that

absorb sound waves

WARNING

■

When to disable the function

In the following situations, disable the

function as it may operate even though

there is no possibility of a collision.

●

Failing to observe the warnings above.

●

A non-genuine Lexus suspension

(lowered suspension, etc.) is installed.

■

Notes when washing the vehicle

Do not apply intensive bursts of water or

steam to the sensor area. Doing so may

result in the sensor malfunctioning.

●

When using a high pressure washer to

wash the vehicle, do not spray the sen-

sors directly, as doing so may cause a

sensor to malfunction.

●

When using steam to clean the vehi-

cle, do not direct steam too close to

the sensors as doing so may cause a

sensor to malfunction.

226

4-5. Using the driving support systems

●

Sharply-angled objects

●

Low objects

●

Tall objects with upper sections project-

ing outwards in the direction of your vehi-

cle

People may not be detected if they are

wearing certain types of clothing.

■

Situations in which the system may not

operate properly

Certain vehicle conditions and the sur-

rounding environment may affect the ability

of a sensor to correctly detect objects. Par-

ticular instances where this may occur are

listed below.

●

There is dirt, snow or ice on a sensor.

(Cleaning the sensors will resolve this

problem.)

●

A sensor is frozen. (Thawing the area will

resolve this problem.)

In especially cold weather, if a sensor is

frozen the sensor display may be dis-

played abnormally, or objects, such as a

wall, may not be detected.

●

When a sensor or the area around a sen-

sor is extremely hot or cold.

●

On an extremely bumpy road, on an

incline, on gravel, or on grass.

●

When vehicle horns, vehicle detectors,

motorcycle engines, air brakes of large

vehicles, the clearance sonar of other

vehicles or other devices which produce

ultrasonic waves are near the vehicle.

●

A sensor is coated with a sheet of spray

or heavy rain.

●

If objects draw too close to the sensor.

●

When a pedestrian is wearing clothing

that does not reflect ultrasonic waves (ex.

skirts with gathers or frills).

●

When objects that are not perpendicular

to the ground, not perpendicular to the

vehicle traveling direction, uneven, or

waving are in the detection range.

●

Strong wind is blowing.

●

When driving in inclement weather such

as fog, snow or a sandstorm.

●

When an object that cannot be detected

is between the vehicle and a detected

object.

●

If an object such as a vehicle, motorcycle,

bicycle or pedestrian cuts in front of the

vehicle or runs out from the side of the

vehicle.

●

If the orientation of a sensor has been

changed due to a collision or other

impact.

●

When equipment that may obstruct a

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim

strip, etc.), bicycle carrier, or snow plow.

●

If the front of the vehicle is raised or low-

ered due to the carried load.

●

If the vehicle cannot be driven in a stable

manner, such as when the vehicle has

been in an accident or is malfunctioning.

●

When tire chains, a compact spare tire or

an emergency tire puncture repair kit are

used.

■

Situations in which the system may

operate even if there is no possibility of a

collision

In some situations, such as the following, the

system may operate even though there is

no possibility of a collision.

●

When driving on a narrow road.

●

When driving toward a banner, flag, low-

hanging branch or boom barrier (such as

those used at railroad crossings, toll

gates and parking lots).

227

4-5. Using the driving support systems

Driving

●

When there is a rut or hole in the surface

of the road.

●

When driving on a metal cover (grating),

such as those used for drainage ditches.

●

When driving up or down a steep slope.

●

If a sensor is hit by a large amount of

water, such as when driving on a flooded

road.

●

There is dirt, snow, water drops or ice on

a sensor. (Cleaning the sensors will

resolve this problem.)

●

A sensor is coated with a sheet of spray

or heavy rain.

●

When driving in inclement weather such

as fog, snow or a sandstorm.

●

When strong winds are blowing.

●

When vehicle horns, vehicle detectors,

motorcycle engines, air brakes of large

vehicles, the clearance sonar of other

vehicles or other devices which produce

ultrasonic waves are near the vehicle.

●

If the front of the vehicle is raised or low-

ered due to the carried load.

●

If the orientation of a sensor has been

changed due to a collision or other

impact.

●

The vehicle is approaching a tall or

curved curb.

●

Driving close to columns (H-shaped steel

beams, etc.) in multi-story parking

garages, construction sites, etc.

●

If the vehicle cannot be driven in a stable

manner, such as when the vehicle has

been in an accident or is malfunctioning.

●

On an extremely bumpy road, on an

incline, on gravel, or on grass.

●

When tire chains, a compact spare tire or

an emergency tire puncture repair kit are

used.

■

Detection range of the sensors

Approximately 3.3 ft. (100 cm)

Approximately 4.9 ft. (150 cm)

Approximately 2.0 ft. (60 cm)

The diagram shows the detection range of
the sensors. Note that the sensors cannot
detect objects that are extremely close to
the vehicle.
The range of the sensors may change
depending on the shape of the object, etc.

■

Multi-information display, head-up display (if equipped) and Center Display

When an object is detected by a sensor, the approximate distance to the object will

Sensor detection display, object
distance

A
B
C

228

4-5. Using the driving support systems

be displayed on the multi-information display, Center Display, and head-up dis-
play. (As the distance to the object becomes short, the distance segments may
blink.)



Approximate distance to object: 4.9 ft. (150 cm) to 2.0 ft. (60 cm)

(Rear center

sensor)

: Automatic buzzer mute function is enabled. (



Approximate distance to object: 3.3 ft. (100 cm) to 2.0 ft. (60 cm)

(Front cen-

ter sensor)

: Automatic buzzer mute function is enabled. (



Approximate distance to object: 2.0 ft. (60 cm) to 1.5 ft. (45 cm)

: Automatic buzzer mute function is enabled. (



Approximate distance to object: 1.5 ft. (45 cm) to 1.0 ft. (30 cm)

: Automatic buzzer mute function is enabled. (

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

229

4-5. Using the driving support systems

Driving



Approximate distance to object: 1.0 ft. (30 cm) to 0.5 ft. (15 cm)

: Automatic buzzer mute function is disabled. (

: The distance segments will blink slowly.



Approximate distance to object: Less than 0.5 ft. (15 cm)

: Automatic buzzer mute function is disabled. (

: The distance segments will blink rapidly.

■

Buzzer operation and distance to
an object

A buzzer sounds when the sensors are
operating.



The buzzer beeps faster as the vehi-
cle approaches an object. When the
vehicle comes within the following
distance of the object, the buzzer
sounds continuously:

Approximately 1.0 ft. (30 cm)



When 2 or more objects are
detected simultaneously, the buzzer
sounds for the nearest object. If one
or more objects come within
approximately 1.0 ft. (30 cm) of the
vehicle, the buzzer will repeat a long
tone, followed by fast beeps.



Automatic buzzer mute function:
After a buzzer begins sounding, if

the distance between the vehicle
and the detected object does not
become shorter, the buzzer will be
muted automatically. (However, if
the distance between the vehicle
and object is 1.0 ft. [30 cm] or less,
this function will not operate.)

The buzzer sounds volume can be
adjusted. (



P.221)

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

230

4-5. Using the driving support systems

Meter control switches

Turn the RCTA function on/off.
When the RCTA function is disabled, the
RCTA OFF indicator illuminates.

Outside rear view mirror indicators

When a vehicle approaching from the right
or left at the rear of the vehicle is detected,
both outside rear view mirror indicators
will flash.

Center Display

If a vehicle approaching from the right or
left at the rear of the vehicle is detected,
the RCTA icon (

P.231) for the detected

side will be displayed on the Center Dis-
play. This illustration shows an example of a
vehicle approaching from both sides of the
vehicle.

RCTA buzzer

If a vehicle approaching from the right or
left at the rear of the vehicle is detected, a
buzzer will sound.

RCTA (Rear Cross Traffic
Alert) function

The RCTA function uses the BSM
rear side radar sensors installed on
the inner side of the rear bumper.
This function is intended to assist
the driver in checking areas that
are not easily visible when backing
up.

WARNING

■

Cautions regarding the use of the

system

There is a limit to the degree of recogni-

tion accuracy and control performance

that this system can provide, do not

overly rely on this system. The driver is

always responsible for paying attention

to the vehicle’s surroundings and driving

safely. (



P.213)

■

To ensure the system can operate

properly



System components

231

4-5. Using the driving support systems

Driving

Use the meter control switches to
enable/disable the RCTA function.
(





Vehicles without the Intuitive park-
ing assist

Press

to select

Press

to select “RCTA”

and then press “OK”.

Press

to select “RCTA”

and then press “OK”.



Vehicles with the Intuitive parking
assist

Press

to select

Press

to select “PKSA”

and then press “OK”.

Press

to select “RCTA”

and then press “OK”.

When the RCTA function is disabled, the

RCTA OFF indicator (



P.74) illuminates

on the multi-information display. (Each

time the power switch is turned off then

changed to ON mode, the RCTA function

will be enabled automatically.)

■

Outside rear view mirror indicator visi-

bility

In strong sunlight, the outside rear view mir-

ror indicator may be difficult to see.

■

Hearing the RCTA buzzer

The RCTA buzzer may be difficult to hear

over loud noises, such as if the audio system

volume is high.

■

When “Rear Cross Traffic Alert

Unavailable” is shown on the multi-

information display

Ice, snow, mud, etc., may be attached to the

rear bumper around the sensors. (



P.214)

Remove the ice, snow, mud, etc., attached

to the rear bumper around the sensors to

return the function to normal. Additionally,

the sensors may not operate normally when

driving in extremely hot or cold environ-

ments.

■

Rear side radar sensors



■

Operation of the RCTA function

The RCTA function uses rear side radar sensors to detect vehicles approaching
from the right or left at the rear of the vehicle and alerts the driver of the presence
of such vehicles by flashing the outside rear view mirror indicators and sounding a
buzzer.

Turning the RCTA function
on/off

NOTICE

■

Before using the RCTA function

Do not place obstacles near the sensors.

RCTA function

232

4-5. Using the driving support systems

Approaching vehicles

Detection areas of approaching vehicles

■

RCTA icon display

When a vehicle approaching from the
right or left at the rear of the vehicle is
detected, the following will be dis-
played on the Center Display.

Example: Vehicles are approaching from
both sides of the vehicle

■

RCTA function detection areas

The areas that vehicles can be detected in are outlined below.

The buzzer can alert the driver of
faster vehicles approaching from far-
ther away.

Example:

A
B

Approaching vehi-

cle speed

Approximate

alert distance

18 mph (28 km/h)

(fast)

65 ft. (20 m)

5 mph (8 km/h)

(slow)

18 ft. (5.5 m)

233

4-5. Using the driving support systems

Driving

■

The RCTA function is operational when

The RCTA function operates when all of the

following conditions are met:

●

The power switch is in ON mode.

●

The RCTA function is on.

●

The shift lever is in R.

●

The vehicle speed is less than approxi-

mately 5 mph (8 km/h).

●

The approaching vehicle speed is

between approximately 5 mph (8 km/h)

and 18 mph (28 km/h).

■

Setting the buzzer volume

The buzzer volume can be adjusted on the

multi-information display.
Use the meter control switches to change

settings. (





Vehicles without the Intuitive parking

assist

Press

to select

Press

to select “RCTA”,

then press “OK”.

Press

to select

and then

press “OK”.

Each time the switch is pressed, the volume

level will change between 1, 2 and 3.



Vehicles with the Intuitive parking assist

P.221

■

Muting a buzzer temporarily



Vehicles without the Intuitive parking

assist

A mute button will be displayed on the
multi-information display when an object is
detected. To mute the buzzer, press “OK”.

●

When the shift lever is changed.

●

When the vehicle speed exceeds a cer-

tain speed.

●

When the operating function is tempo-

rarily canceled.

●

When the operating function is disabled

manually.

●

When the power switch is turned off.



Vehicles with the Intuitive parking assist



P.221

■

Conditions under which the system will

not detect a vehicle

The RCTA function is not designed to

detect the following types of vehicles

and/or objects:

●

Vehicles approaching from directly

behind

●

Vehicles backing up in a parking space

next to your vehicle

●

Vehicles that the sensors cannot detect

due to obstructions

●

Guardrails, walls, signs, parked vehicles
and similar stationary objects

●

Small motorcycles, bicycles, pedestrians,
etc.

●

Vehicles moving away from your vehicle

●

Vehicles approaching from the parking
spaces next to your vehicle

●

The distance between the sensor and

approaching vehicle gets too close

: Depending on the conditions, detection

of a vehicle and/or object may occur.

■

Situations in which the system may not

operate properly

The RCTA function may not detect vehicles

correctly in the following situations:

●

When the sensor is misaligned due to a

strong impact to the sensor or its sur-

rounding area.

●

When mud, snow, ice, a sticker, etc., is

covering the sensor or surrounding area

on the rear bumper.

●

When driving on a road surface that is

wet with standing water during bad

234

4-5. Using the driving support systems

weather, such as heavy rain, snow, or fog.

●

When multiple vehicles are approaching

with only a small gap between each vehi-

cle.

●

When a vehicle is approaching at high

speed.

●

When equipment that may obstruct a

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim

strip, etc.), bicycle carrier, or snow plow.

●

When backing up on a slope with a sharp

change in grade.

●

When backing out of a sharp angle park-

ing spot.

●

When towing a trailer.

●

When there is a significant difference in

height between your vehicle and the

vehicle that enters the detection area.

●

When a sensor or the area around a sen-

sor is extremely hot or cold.

●

If the suspension has been modified or

tires of a size other than specified are

installed.

●

If the front of the vehicle is raised or low-

ered due to the carried load.

●

When turning while backing up.

●

When a vehicle turns into the detection

area.

■

Situations in which the system may

operate even if there is no possibility of a

collision

Instances of the RCTA function unneces-

sarily detecting a vehicle and/or object may

increase in the following situations:

●

When the parking space faces a street

and vehicles are being driven on the

street.

●

When the distance between your vehicle

and metal objects, such as a guardrail,

wall, sign, or parked vehicle, which may

reflect electrical waves toward the rear of

the vehicle, is short.

235

4-5. Using the driving support systems

Driving

●

When equipment that may obstruct a

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim

strip, etc.), bicycle carrier, or snow plow.

●

When a vehicle passes by the side of your

vehicle.

●

When a detected vehicle turns while

approaching the vehicle.

●

When there are spinning objects near

your vehicle such as the fan of an air con-

ditioning unit.

●

When water is splashed or sprayed

toward the rear bumper, such as from a

sprinkler.

●

Moving objects (flags, exhaust fumes,

large rain droplets or snowflakes, rain

water on the road surface, etc.).

●

When the distance between your vehicle

and a guardrail, wall, etc., that enters the

detection area is short.

●

Gratings and gutters.

●

When a sensor or the area around a sen-

sor is extremely hot or cold.

●

If the suspension has been modified or

tires of a size other than specified are

installed.

●

If the front of the vehicle is raised or low-

ered due to the carried load.

236

4-5. Using the driving support systems

: If equipped

Pedestrian detection icon

Displayed automatically when a pedestrian
is detected.

Use the meter control switches to
enable/disable the RCD function.
(

Press

to select

Press

to select “PKSA”

and then press “OK”.

RCD (Rear Camera Detec-
tion) function

When the vehicle is backing up, the
rear camera detection function can
detect pedestrians in the detection
area behind the vehicle. If a pedes-
trian is detected, a buzzer will
sound and an icon will be displayed
on the Center Display to inform the
driver of the pedestrian.

WARNING

■

Cautions regarding the use of the

system

The recognition and control capabilities

for this system are limited.
The driver should always drive safely by

always being responsible without over

relying on the system and have a under-

standing of the surrounding situations.

■

To ensure the system can operate

properly

Observe the following, otherwise there is

the danger that could lead to an acci-

dent.

●

Always clean the camera without

damaging it.

●

Do not install market electronic parts

(such as Illuminated license plate, fog

lamps, etc.) in the camera vicinity.

●

Do not subject the camera vicinity to

strong impacts. If the vicinity is sub-

jected to a strong impact, have the

vehicle inspected by your Lexus

dealer.

●

Do not disassemble, remodel or paint

the camera.

●

Do not attach accessories or stickers

to the camera.

●

Do not install market protection parts

(bumper trim, etc.) to the rear bumper.

●

Maintain suitable tire air pressure.

●

Make sure the trunk is completely

closed.

■

RCD function is turned off

In the following situations the system

turns off. The RCD function may not

operate properly and thus there is the

danger that an accident may occur.

●

The contents mentioned above are not

observed.

●

Suspensions other than Lexus genu-

ine parts are installed.

RCD display

Turning the RCD function on/off

237

4-5. Using the driving support systems

Driving

Press

to select “RCD”

and then press “OK”.

When the RCD function is disabled, the

RCD OFF indicator (



P.74) illuminates

on the multi-information display.
Each time the power switch is turned off

then changed to ON, the RCD function

will be enabled automatically.

If the rear camera detection function
detects a pedestrian in the detection
area, the buzzer and pedestrian detec-
tion will operate as follows:

If a pedestrian is detected in area

Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on

If a pedestrian is detected in area

Buzzer (When the vehicle is sta-
tionary): Sounds 3 times
Buzzer (When the vehicle is back-
ing up, when a pedestrian
approaches the rear of the vehicle):

Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on

If the system determines that your
vehicle may collide with a pedes-
trian in area
Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3
times and then stays on

■

The rear camera detection function is

operational when

●

The power switch is in ON mode.

●

RCD function is on.

●

The shift lever is in R.

■

Setting the buzzer volume

The buzzer volume of the RCD, intuitive

parking assist and RCTA can all be

adjusted at once on the multi-information

display. (

P.221)

■

If “Rear Camera Detection Unavailable

Remove the Dirt of Rear Camera” is

displayed on the multi-information dis-

play

A rear camera lens may be dirty or covered

with snow or ice. In such cases, if it is

removed from the rear camera lens, the

system should return to normal. (It may be

necessary to drive the vehicle for some time

before the system returns to normal.)

■

If “Rear Camera Detection Unavail-

able” is displayed on the multi-informa-

tion display

●

If the trunk lid is open, fully close it.

●

If this message is displayed only when the

shift lever is in R, the rear camera lens

may be dirty. Clean the rear camera lens.

■

Situations in which the system may not

operate properly

●

Some pedestrians, such as the following,

may not be detected by the rear camera

detection function, preventing the func-

tion from operating properly:

• Pedestrians who are bending forward or

When a pedestrian is detected

238

4-5. Using the driving support systems

squatting

• Pedestrians who are lying down

• Pedestrians who are running

• Pedestrians who suddenly enter the

detection area

• People riding a bicycle, skateboard, or

other light vehicle

• Pedestrians wearing oversized clothing

such as a rain coat, long skirt, etc., making

their silhouette obscure

• Pedestrians whose body is partially hid-

den by an object, such as a cart or

umbrella

• Pedestrians which are obscured by dark-

ness, such as at night

●

In some situations, such as the following,

pedestrians may not be detected by the

rear camera detection function, prevent-

ing the function from operating properly:

• When backing up in inclement weather

(rain, snow, fog, etc.)

• When the rear camera is obscured (dirt,

snow, ice, etc. are attached) or scratched

• When a very bright light, such as the sun,

or the headlights of another vehicle,

shines directly into the rear camera

• When backing up in a place where the

surrounding brightness changes sud-

denly, such as at the entrance or exit of a

garage or underground parking lot

• When backing up in a dim environment

such as during dusk or in an underground

parking lot

• When the camera position and direction

are deviated

• When a towing hook is attached

• When water droplets are flowing on the

camera lens

• When the vehicle height is extremely

changed (nose up, nose down)

• When tire chains or an emergency tire

puncture repair kit are used

• When the suspension has been lowered

or tires of a size other than specified are

installed

• When market electronic parts (such as

illuminated license plate, fog lights, etc.)

are installed in the rear camera vicinity

• When market protection parts (bumper

trim, etc.) are installed to the rear

bumper.

■

Situations in which the system may

operate unexpectedly

●

Even though there are no pedestrians in

the detection area, some objects, such as

the following, may be detected, possibly

causing the rear camera detection func-

tion to operate.

• Three dimensional objects, such as a

pole, traffic cone, fence, or parked vehi-

cle

• Moving objects, such as a car or motor-

cycle

• Objects moving toward your vehicle

when backing up, such as flags or pud-

dles (or airborne matter, such as smoke,

steam, rain, or snow)

• Cobblestone or gravel roads, tram rails,

road repairs, white lines, pedestrian

crossings or fallen leaves on the road

• Metal covers (gratings) or drainage

ditches

• Objects reflected in a puddle or on a wet

road surface

• Shadows on the road

●

In some situations, such as the following,

the rear camera detection function may

operate even though there are no pedes-

trians in the detection area.

• When backing up toward the roadside or

a bump on the road

• When backing up toward an

incline/decline

• If the rear of the vehicle is raised or low-

ered due to the carried load

• When market electronic parts (such as

illuminated license plate, fog lights, etc.)

are installed in the rear camera vicinity

• When market protection parts (bumper

trim, etc.) are installed to the rear

bumper.

• If the orientation of the rear camera has

been changed due to a collision or other

impact, or removal and installation

• If a towing eyelet is installed to the rear of

the vehicle

• When water is flowing over the rear cam-

era lens

• When the rear camera is obscured (dirt,

snow, ice, etc. are attached) or scratched

• If there is a flashing light in the detection

area, such as the emergency flashers of

another vehicle

• When tire chains or an emergency tire

239

4-5. Using the driving support systems

Driving

puncture repair kit are used.

●

Situations in which the rear camera

detection function may be difficult to

notice

• The buzzer may be difficult to hear if the

surrounding area is noisy, the volume of

the audio system volume is high, the air

conditioning system is being used, etc.

• If the temperature in the cabin is

extremely high or low, the Center Dis-

play may not operate correctly.

: If equipped

■

Parking Support Brake function
(static objects)

Ultrasonic sensors are used to detect
static objects, such as a wall, in the
detection area when driving at a low
speed or backing up. (

P.245)

■

Parking Support Brake function
(rear-crossing vehicles)

Rear radar sensors are used to detect
approaching vehicles in the detection
area behind the vehicle when backing
up. (



P.248)

PKSB (Parking Support
Brake)

The Parking Support Brake system
consists of the following functions
that operate when driving at a low
speed or backing up, such as when
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object or
pedestrian is high, a warning oper-
ates to urge the driver to take eva-
sive action. If the system
determines that the possibility of a
collision with a detected object or
pedestrian is extremely high, the
brakes are automatically applied to
help avoid the collision or help
reduce the impact of the collision.

PKSB (Parking Support Brake)
system

240

4-5. Using the driving support systems

■

Parking Support Brake function
(rear pedestrians) (if equipped)

A rear camera sensor is used to detect
pedestrians in the detection area
behind the vehicle when backing up.
(



P.250)

WARNING

■

Cautions regarding the use of the

system

Do not overly rely on the system, as

doing so may lead to an accident.
Always drive while checking the safety of

the surroundings of the vehicle.
Depending on the vehicle and road con-

ditions, weather, etc., the system may not

operate.
The detection capabilities of sensors and

radars are limited. Always drive while

checking the safety of the surroundings

of the vehicle.

●

The driver is solely responsible for safe

driving. Always drive carefully, taking

care to observe your surroundings.

The Parking Support Brake system is

designed to provide support to lessen

the severity of collisions. However, it

may not operate in some situations.

●

The Parking Support Brake system is

not designed to stop the vehicle com-

pletely. Additionally, even if the system

has stopped the vehicle, it is necessary

to depress the brake pedal immedi-

ately as brake control will be canceled

after approximately 2 seconds.

●

It is extremely dangerous to check the

system operations by intentionally

driving the vehicle into the direction of

a wall, etc. Never attempt such actions.

■

When to disable the Parking Support

Brake

In the following situations, disable the

Parking Support Brake as the system

may operate even though there is no

possibility of a collision.

●

When inspecting the vehicle using a

chassis roller, chassis dynamo or free

roller.

●

When loading the vehicle onto a boat,

truck or other transport vessel.

●

If the suspension has been modified or

tires of a size other than specified are

installed.

●

If the front of the vehicle is raised or

lowered due to the carried load.

●

When equipment that may obstruct a

sensor is installed, such as a towing

eyelet, bumper protector (an addi-

tional trim strip, etc.), bicycle carrier,

or snow plow.

●

When using automatic car washing

devices.

●

If the vehicle cannot be driven in a sta-

ble manner, such as when the vehicle

has been in an accident or is malfunc-

tioning.

●

When the vehicle is driven in a sporty

manner or off-road.

●

When the tires are not properly

inflated.

●

When the tires are very worn.

●

When tire chains, a compact spare tire

or an emergency tire puncture repair

kit are used.

●

During emergency towing

241

4-5. Using the driving support systems

Driving

The Parking Support Brake can be
enabled/disabled on the multi-infor-
mation display. All of the Parking Sup-
port Brake functions (static objects,
rear-crossing vehicles, and rear
pedestrians) are enabled/disabled
simultaneously.
Use the meter control switches to
enable/disable the parking support
brake. (

Press

to select

Press

to select

and

then press “OK”.

When the Parking Support Brake is dis-

abled, the PKSB OFF indicator (

P.74)

illuminates on the multi-information dis-

play.

To re-enable the system, select

on the

multi-information display, select

and

turn it on. If the system is disabled, it will

remain off even if the power switch is

turned to ON mode after the power switch

has been turned off.

If the hybrid system output restriction con-
trol or brake control operates, a buzzer
will sound and a message will be displayed
on the Center Display and multi-informa-
tion display, to alert the driver. On vehicles
with a head-up display, the head-up display
will display the same message as the multi-
information display.
Depending on the situation, hybrid system
output restriction control will operate to
either limit acceleration or restrict output
as much as possible.



Hybrid system output restriction
control is operating (acceleration
restriction)

Acceleration greater than a certain
amount is restricted by the system.
Center Display (Panoramic view monitor):
No warning displayed
Multi-information display: “Object
Detected Acceleration Reduced”
PKSB OFF indicator: Not illuminated
Buzzer: Does not sound



Hybrid system output restriction
control is operating (output
restricted as much as possible)

The system has determined that stronger-
than-normal brake operation is necessary.
Center Display (Panoramic view monitor):
“BRAKE!”
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep



Brake control is operating

NOTICE

■

If “Parking Support Brake Unavail-

able” is displayed on the multi-infor-

mation display and the PKSB OFF

indicator is flashing

If this message is displayed immediately

after the power switch is changed to ON

mode, operate the vehicle carefully, pay-

ing attention to your surroundings. It may

be necessary to drive the vehicle for a

certain amount of time before the system

returns to normal. (If the system is not

return to normal after driving for a while,

clean the rear camera lens.)

Enabling/Disabling the Parking
Support Brake

Displays and buzzers for hybrid
system output restriction control
and brake control

242

4-5. Using the driving support systems

The system determined that emergency
braking is necessary.
Center Display (Panoramic view monitor):
“BRAKE!”
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep



Vehicle stopped by system opera-
tion

The vehicle has been stopped by brake

control operation.
Center Display (Panoramic view monitor):
“Switch to Brake” (If the accelerator pedal
is not depressed, “Press Brake Pedal” will
be displayed.)
Multi-information display: “Switch to
Brake” (If the accelerator pedal is not
depressed, “Press Brake Pedal” will be dis-
played.)
PKSB OFF indicator: Illuminated
Buzzer: Short beep

If the Parking Support Brake determines that a collision with a detected object or
pedestrian is possible, the hybrid system output will be restricted to restrain any
increase in the vehicle speed. (Hybrid system output restriction control: See figure
2 below.)
Additionally, if the accelerator pedal continues to be depressed, the brakes will be
applied automatically to reduce the vehicle speed. (Brake control: See figure 3
below.)



Figure 1 When the PKSB (Parking Support Brake) is disabled

Hybrid system output

Braking force

Time



Figure 2 When hybrid system output restriction control operates

System overview

A
B
C

244

4-5. Using the driving support systems

Time

Hybrid system output restriction control begins operating

System determines that possibility of collision with detected object is high

Hybrid system output reduced

System determines that possibility of collision with detected object is extremely
high

Brake control begins operating

Brake control strength increased

Example: Multi-information display: “BRAKE!”

Example: Multi-information display: “Switch to Brake”

■

If the Parking Support Brake has oper-

ated

If the vehicle is stopped due to operation of

the Parking Support Brake, the Parking

Support Brake will be disabled and the

PKSB OFF indicator will illuminate. If the

Parking Support Brake operates unneces-

sarily, brake control can be canceled by

depressing the brake pedal or waiting for

approximately 2 seconds for it to automati-

cally be canceled. Then, the vehicle can be

operated by depressing the accelerator

pedal.

■

Re-enabling the Parking Support Brake

To re-enable the Parking Support Brake

when it has been disabled due to system

operation, perform any of the following

operations. At this time, the PKSB OFF

indicator will turn off. (

P.74)

●

Turn the PKSB system on (

P.240)

●

Turn the power switch off, and then back

to ON mode

●

Shift the shift lever to P

●

Drive with no operation targets in the

traveling direction of the vehicle

●

Change the traveling direction of the
vehicle

: Except the Parking Support Brake func-

tion (rear pedestrian)

■

If “Parking Support Brake Unavailable”

is displayed on the multi-information

display and the PKSB OFF indicator is

flashing

If this message is displayed only when the

shift lever is in R, the rear camera lens may

be dirty. Clean the camera lens. If this mes-

sage is displayed when the shift lever is in

any position other than R, a sensor on the

front or rear bumper may be dirty. Clean

the sensors and their surrounding area on

the bumpers.

■

If “Parking Support Brake Unavailable”

and “Parking Assist Unavailable Clean

Parking Assist Sensor” are displayed on

the multi-information display and the

PKSB OFF indicator is flashing

●

A sensor may be covered with ice, snow,

dirt, etc. In this case, remove the ice,

snow, dirt, etc., from the sensor to return

the system to normal. If this message is

shown even after removing dirt from the

sensor, or shown when the sensor was

not dirty to begin with, have the vehicle

inspected at your Lexus dealer.

●

A sensor may be frozen. Once the ice

melts, the system will return to normal.

●

Water may be continuously flowing over

the sensor surface, such as in a heavy

rain. When the system determines that it

is normal, the system will return to nor-

mal.

C
D

E
F

247

4-5. Using the driving support systems

Driving

■

When the accelerator pedal is depressed excessively

■

When the vehicle moves in the unintended direction due to the wrong shift
position being selected



P.222

■

The Parking Support Brake function

(static object) will operate when

The function will operate when the PKSB

OFF indicator is not illuminated or flashing

Types of sensors

WARNING

■

To ensure the system can operate

properly



P.223

■

If the Parking Support Brake function

(static objects) operates unnecessar-

ily, such as at a railroad crossing

P.243

■

Notes when washing the vehicle

P.224

248

4-5. Using the driving support systems

(



P.73, 74) and all of the following condi-

tions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is enabled.

• The vehicle speed is approximately 9

mph (15 km/h) or less.

• There is a static object in the traveling

direction of the vehicle and approxi-

mately 6 to 13 ft. (2 to 4 m) away.

• The Parking Support Brake determines

that a stronger-than-normal brake oper-

ation is necessary to avoid a collision.

●

Brake control

• Hybrid system output restriction control

is operating.

• The Parking Support Brake determines

that an immediate brake operation is

necessary to avoid a collision.

■

The Parking Support Brake function

(static objects) will stop operating when

The function will stop operating if any of the

following conditions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is disabled.

• The system determines that the collision

has become avoidable with normal brake

operation.

• The static object is no longer approxi-

mately 6 to 13 ft. (2 to 4 m) away from the

vehicle or in the traveling direction of the

vehicle.

●

Brake control

• The Parking Support Brake is disabled.

• Approximately 2 seconds have elapsed

since the vehicle was stopped by brake

control.

• The brake pedal is depressed after the

vehicle is stopped by brake control.

• The static object is no longer approxi-

mately 6 to 13 ft. (2 to 4 m) away from the

vehicle or in the traveling direction of the

vehicle.

■

Detection range of the Parking Support

Brake function (static objects)

The detection range of the Parking Support

Brake function (static objects) differs from

the detection range of the intuitive parking

assist. (



P.226) Therefore, even if the

intuitive parking assist detects an object and

provides a warning, the Parking Support

Brake function (static objects) may not start

operating.

■

Situations in which the Parking Support

Brake function (static objects) may not

operate

When the shift lever is in N.

■

Situations in which the system may not

operate properly



P.225

■

Situations in which the system may

operate even if there is no possibility of a

collision



P.225

249

4-5. Using the driving support systems

Driving

: If equipped

This function will operate in situations such as the following if a vehicle is detected
in the traveling direction of the vehicle.

■

When reversing, a vehicle is approaching and the brake pedal is not
depressed, or is depressed late



■

The Parking Support Brake function

(rear-crossing vehicles) will operate

when

The function will operate when the PKSB

OFF indicator is not illuminated or flashing

(

P.73, 74) and all of the following condi-

tions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is enabled.

• The vehicle speed is approximately 9

mph (15 km/h) or less.

• Vehicles are approaching from the right

or left at the rear of the vehicle at a travel-

ing speed of approximately 5 mph (8

Parking Support Brake function (rear-crossing vehicles)

If a rear radar sensor detects a vehicle approaching from the right or left at
the rear of the vehicle and the system determines that the possibility of a colli-
sion is high, this function will perform brake control to reduce the likelihood of
an impact with the approaching vehicle.

Examples of function operation

Types of sensors

WARNING

■

To ensure the system can operate

properly



250

4-5. Using the driving support systems

km/h) or more.

• The shift lever is in R.

• The Parking Support Brake determines

that a stronger than normal brake opera-

tion is necessary to avoid a collision with

an approaching vehicle.

●

Brake control

• Hybrid system output restriction control

is operating.

• The Parking Support Brake determines

that an emergency brake operation is

necessary to avoid a collision with an

approaching vehicle.

■

The Parking Support Brake function

(rear-crossing vehicles) will stop oper-

ating when

The function will stop operating if any of the

following conditions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is disabled.

• The collision becomes avoidable with

normal brake operation.

• A vehicle is no longer approaching from

the right or left at the rear of the vehicle.

●

Brake control

• The Parking Support Brake is disabled.

• Approximately 2 seconds have elapsed

since the vehicle was stopped by brake

control.

• The brake pedal is depressed after the

vehicle is stopped by brake control.

• A vehicle is no longer approaching from

the right or left at the rear of the vehicle.

■

Detection area of the Parking Support

Brake function (rear-crossing vehicles)

The detection area of the Parking Support

Brake function (rear-crossing vehicles) dif-

fers from the detection area of the RCTA

function (

P.231). Therefore, even if the

RCTA function detects a vehicle and pro-

vides an alert, the Parking Support Brake

function (rear-crossing vehicles) may not

start operating.

■

Situations in which the system may not

operate properly

P.232

■

Situations in which the system may

operate even if there is no possibility of a

collision



P.233

252

4-5. Using the driving support systems

■

Parking Support Brake function (rear

pedestrians) will operate when

The function will operate when the PKSB

OFF indicator is not illuminated or flashing

(



P.73, 74) and all of the following condi-

tions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is enabled.

• The vehicle speed is 9 mph (15 km/h) or

less.

• The shift position is in R.

• A pedestrian is at the rear of the vehicle.

• The PKSB (Parking Support Brake)

determines that a stronger-than-normal

brake operation is necessary to avoid a

collision.

●

Brake control

• Hybrid system output restriction control

is operating.

• The Parking Support Brake determines

that an emergency brake operation is

necessary to avoid a collision with a

pedestrian.

■

The Parking Support Brake function

(rear pedestrians) will stop operating

when

The function will stop operating if any of the

following conditions are met:

●

Hybrid system output restriction control

• The Parking Support Brake is disabled.

• The collision becomes avoidable with

normal brake operation.

• The pedestrian is no longer detected

behind your vehicle.

●

Brake control

• The Parking Support Brake is disabled.

• Approximately 2 seconds have elapsed

since the vehicle was stopped by brake

control.

• The brake pedal is depressed after the

vehicle is stopped by brake control.

■

Re-enabling the Parking Support Brake

function (rear pedestrians)



P.243

■

Detection area of the Parking Support

Brake function (rear pedestrians)

The detection area of the Parking Support

Brake function (rear pedestrians) differs

from the detection area of the RCD func-

tion (



P.236). Therefore, even if the RCD

function detects a pedestrian and provides

an alert, the Parking Support Brake func-

tion (rear pedestrians) may not start operat-

ing.

■

Situations in which the system may not

operate properly



P.236

■

Situations in which the system may

operate unexpectedly



P.237

WARNING

■

If the Parking Support Brake function

(rear pedestrians) operates unneces-

sarily

Depress the brake pedal immediately

after the Parking Support Brake function

(rear pedestrians) operates. (Operation

of the function is canceled by depressing

the brake pedal.)

■

Correct use of the Parking Support

Brake function (rear pedestrians)



P.235

253

4-5. Using the driving support systems

Driving

■

ECB (Electronically Controlled
Brake System)

The electronically controlled system
generates braking force correspond-
ing to the brake operation

■

ABS (Anti-lock Brake System)

Helps to prevent wheel lock when the
brakes are applied suddenly, or if the
brakes are applied while driving on a
slippery road surface

■

Brake assist

Generates an increased level of brak-
ing force after the brake pedal is
depressed when the system detects a
panic stop situation

■

VSC (Vehicle Stability Control)

Helps the driver to control skidding
when swerving suddenly or turning on
slippery road surfaces.

■

Enhanced VSC (Enhanced Vehi-
cle Stability Control)

Provides cooperative control of the
ABS, TRAC, VSC and EPS.

Helps to maintain directional stability
when swerving on slippery road sur-
faces by controlling steering perfor-
mance.

■

Secondary Collision Brake

When the SRS airbag sensor detects a
collision and the system operates, the
brakes and brake lights are automati-
cally controlled to reduce the vehicle
speed and help reduce the possibility
of further damage due to a secondary
collision

■

TRAC (Traction Control)

Helps to maintain drive power and
prevent the drive wheels from spinning
when starting the vehicle or accelerat-
ing on slippery roads

■

Active Cornering Assist (ACA)

Helps to prevent the vehicle from drift-
ing to the outer side by performing
inner wheel brake control when
attempting to accelerate while turning

■

Hill-start assist control

Helps to reduce the backward move-
ment of the vehicle when starting on an
uphill

■

EPS (Electric Power Steering)

Employs an electric motor to reduce
the amount of effort needed to turn the
steering wheel

■

AVS (Adaptive Variable Suspen-
sion system) (if equipped)

By independently controlling the
damping force of the shock absorbers
for each of the 4 wheels according to
the road and driving conditions, this

Driving assist systems

To keep driving safety and perfor-
mance, the following systems oper-
ate automatically in response to
various driving situations. Be
aware, however, that these systems
are supplementary and should not
be relied upon too heavily when
operating the vehicle.

Summary of the driving assist
systems

254

4-5. Using the driving support systems

system helps riding comfort with supe-
rior vehicle stability, and helps good
vehicle posture
Also, the damping force changes
depending on the selected driving
mode. (