Lexus ES300h (2023 year). Manual in english - page 14

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

4

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. 
(



P.86)

1

Press 

 or 

 to select 

.

2

Press 

 or 

 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

A

237

4-5. Using the driving support systems

4

Driving

3

Press 

 or 

 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

A

A

B

B

C

C

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

4

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

4

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. (



P.86)

1

Press 

 or 

 to select 

.

2

Press 

 or 

 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

243

4-5. Using the driving support systems

4

Driving

Hybrid system output

Braking force

Time

Hybrid system output restriction control begins operating

System determines that possibility of collision with detected object is high

Hybrid system output reduced

Example: Multi-information display:
“BRAKE!”



Figure 3 When brake control operates

Hybrid system output

Braking force

A
B
C
D

E
F

G

A
B

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

G

H

I

J

K

245

4-5. Using the driving support systems

4

Driving

■

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.

246

4-5. Using the driving support systems

*

: If  equipped

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

■

When traveling at a low speed and the brake pedal is not depressed, or is 
depressed late

Parking Support Brake function (static objects)

*

If the sensors detect a static object, such as a wall, in the traveling direction of 
the vehicle and the system determines that a collision may occur due to the 
vehicle suddenly moving forward due to an accidental accelerator pedal 
operation, the vehicle moving the unintended direction due to the wrong shift 
position being selected, or while parking or traveling at low speeds, the sys-
tem will operate to lessen the impact with the detected static object and 
reduce the resulting damage.

Examples of function operation

247

4-5. Using the driving support systems

4

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

4

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



P.214

■

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



P.214