Content .. 11 12 13 14 ..

Lexus UX200 (2022 year). Manual in english - page 13

219

4-5. Using the driving support systems

Driving

Use the meter control switches to
enable/disable the intuitive parking
assist. (



P.79)

Press

to select

Press

to select “PKSA”

and then press “OK”.

Press

to select

and

then press “OK”.

When the intuitive parking assist func-
tion is disabled, the intuitive parking
assist OFF indicator (



P.68) illumi-

nates on the multi-information display.
When the intuitive parking assist func-
tion is turned on or off, operation of the
intuitive parking assist function contin-
ues in the same condition the next time
the engine is started.

Turning intuitive parking assist
on/off

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.

■

To ensure the system can operate

properly

Observe the following precautions.

Failing to do so may result in the vehicle

being unable to be driven safely and pos-

sibly cause an accident.

●

Do not damage the sensors, and

always keep them clean.

●

Do not attach a sticker or install an

electronic component, such as a back-

lit license plate (especially fluorescent

type), fog lights, fender pole or wire-

less antenna near a radar sensor.

●

Do not subject the surrounding area of

the sensor to a strong impact. If sub-

jected to an impact, have the vehicle

inspected by your Lexus dealer. If the

front or rear bumper needs to be

removed/installed or replaced, con-

tact your Lexus dealer.

●

Do not modify, disassemble or paint

the sensors.

●

Do not attach a license plate cover.

●

Keep your tires properly inflated.

■

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 mal-

functioning.

●

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.

220

4-5. Using the driving support systems

■

The system can be operated when

●

The engine switch is in ON.

●

Intuitive parking assist function is on.

●

The vehicle speed is less than about 6

mph (10 km/h).

●

The shift lever is in a position other than P.

■

Setting the buzzer volume

The buzzer volume can be adjusted on the

multi-information display. (



P.217)

■

If “Parking Assist Unavailable Clean

Parking Assist Sensor” is displayed on

the multi-information display

A sensor may be covered with ice, snow,

dirt, etc. Remove the ice, snow, dirt, etc.,

from the sensor to return the system to nor-

mal.
Also, due to ice forming on a sensor at low

temperatures, a warning message may be

displayed or the sensor may not be able to

detect an object. Once the ice melts, the

system will return to normal.

■

If “Parking Assist Unavailable” is dis-

played on the multi-information display

●

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.

●

Initialization may not have been per-

formed after a battery terminal was dis-

connected and reconnected. Initialize the

system. (



P.220)

If this message continues to be displayed
even after initialization, have the vehicle
inspected by your Lexus dealer.

■

If a battery terminal has been discon-

nected 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

●

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

WARNING

●

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.

221

4-5. Using the driving support systems

Driving

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 displayed 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).

●

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.

222

4-5. Using the driving support systems

●

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.

■

Certification

223

4-5. Using the driving support systems

Driving

■

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
(vehicles with 10.3-inch display model)

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



P.225)

Sensor detection display, object
distance

A
B
C

Multi-information display

Center Display

Head-up display

224

4-5. Using the driving support systems



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. (



P.225)



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

: Automatic buzzer mute function is enabled. (



P.225)



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

: Automatic buzzer mute function is enabled. (



P.225)



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

: Automatic buzzer mute function is disabled. (



P.225)

: The distance segments will blink slowly.

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

225

4-5. Using the driving support systems

Driving



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

: Automatic buzzer mute function is disabled. (



P.225)

: 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.217)

Multi-information display

Center Display

Head-up display

226

4-5. Using the driving support systems

: If equipped

Multi-information display

The RCTA function can be turned 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.227) 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. The buzzer also sounds

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.211)

■

To ensure the system can operate

properly



P.213

System components

227

4-5. Using the driving support systems

Driving

for approximately 1 second immediately
after the RCTA function is turned on.

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



P.77)



Vehicles without the Intuitive park-
ing assist

Press

to select

Press

to select “RCTA”

and then press “OK”.

Press

to select “RCTA”

again and then press “OK”.

Each time “OK” is pressed, the RCTA

function will be enabled/disabled.



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”.

Each time the engine switch is turned off

then changed to ON, 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, water, snow, mud, etc., may be attached

to the rear bumper around the sensors.

(



P.213) Remove the ice, snow, mud, etc.,

attached to the rear bumper around the

sensors to return the function to normal.
Additionally, the function may not operate

normally when used in extremely hot or

cold environments.

■

Rear side radar sensors



P.213

■

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.

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.

Turning the RCTA function
on/off

RCTA function

A
B

228

4-5. Using the driving support systems



Example (Lexus parking assist mon-
itor): 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:

■

The RCTA function is operational when

The RCTA function operates when all of the

following conditions are met:

●

The engine switch is in ON.

●

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. (



P.79)



Vehicles without the Intuitive parking

assist

Press

to select

Press

to select “RCTA” and

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.217

■

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 engine switch is turned off.



Vehicles with the Intuitive parking assist



P.217

■

Conditions under which the system will

not detect a vehicle

The RCTA function is not designed to

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)

229

4-5. Using the driving support systems

Driving

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

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.

230

4-5. Using the driving support systems

●

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.

●

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.

231

4-5. Using the driving support systems

Driving

: If equipped

■

Parking Support Brake function
(static objects)



P.235

■

Parking Support Brake function
(rear-crossing vehicles)



P.238

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 is high, a
warning operates to urge the driver
to take evasive action. If the system
determines that the possibility of a
collision with a detected object 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

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 sur-

roundings of the vehicle. Depending on

the vehicle and road conditions, 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.

232

4-5. Using the driving support systems

The Parking Support Brake can be

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



P.77)

Press

to select

Press

to select

and

then press “OK”.

When the Parking Support Brake is dis-

abled, the PKSB OFF indicator (



P.68)

illuminates on the multi-information dis-

play.
When the Parking Support Brake is turned

on or off, operation of the Parking Support

Brake continues in the same condition the

next time the engine is started.

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



Engine output restriction control is
operating (acceleration restriction)

Acceleration greater than a certain
amount is restricted by the system.
Multi-information display: “Object
Detected Acceleration Reduced”

WARNING

●

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.

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 engine switch is changed to

ON, 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 does not

return to normal after driving for a while,

clean the sensors and their surrounding

area on the bumpers.)

Enabling/Disabling the Parking
Support Brake

Displays and buzzers for engine
output restriction control and
brake control

233

4-5. Using the driving support systems

Driving

PKSB OFF indicator: Not illuminated
Buzzer: Does not sound



Engine output restriction control is
operating (output restricted as
much as possible)

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



Brake control is operating

The system determined that emergency
braking is necessary.
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.
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 deter-
mines that a collision with a detected
object is possible, the engine output
will be restricted to restrain any
increase in the vehicle speed. (Engine
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

Engine output

Braking force

Time



Figure 2 When engine output
restriction control operates

Engine output

Braking force

Time

Engine output restriction control
begins operating (The system
determines that possibility of colli-
sion with detected object is high)

“BRAKE!” is displayed on the multi-infor-
mation display.

System overview

A
B
C

A
B
C
D

234

4-5. Using the driving support systems

Engine output reduced



Figure 3 When brake control oper-
ates

Engine output

Braking force

Time

Engine output restriction control
begins operating (The system
determines that possibility of colli-
sion with detected object is high)

“BRAKE!” is displayed on the multi-infor-
mation display.

Engine output reduced

Brake control begins operating
(the system determines that possi-
bility of collision with detected
object is extremely high)

Brake control strength increased

“Switch to Brake” is displayed on
the multi-information display

■

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 is disabled due to operation of the

Parking Support Brake, either enable the

system again (



P.232), or turn the engine

switch off and then back to ON. Addition-

ally, if the object becomes no longer in the

traveling direction of the vehicle or if the

traveling direction of the vehicle changes

(such as changing from moving forward to

backing up, or from backing up to moving

forward), the system will be re-enabled

automatically.

■

If “Parking Support Brake Unavailable”

is displayed on the multi-information

display and the PKSB OFF indicator is

flashing

If this message is displayed, 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.

■

If a battery terminal has been discon-

nected 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

A
B
C
D

E
F

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