Lexus GX460 (2022 year). Manual in english — page 22

■

When the Crawl Control system is operated continuously

This may cause the brake actuator to overheat. In this case, the Crawl Control system will

stop operating, a buzzer will sound, the Crawl Control indicator will turn off after flashing

and the “TRAC OFF” indicator will come on. In this case, quickly stop the vehicle in a safe

place and give the actuator adequate time to cool off. Refrain from using the system until

the “TRAC OFF” indicator turns off. (The vehicle can be driven normally during this

time.)

■

When depressing the accelerator pedal while the Crawl Control is operating

Multi-terrain Select operates in AUTO mode. (



P. 292)

■

If the automatic transmission system overheats

The system will cease operation, a buzzer will sound and a warning message will be dis-

played to alert the driver. Stop the vehicle in a safe place until the warning message turns

off. (

P. 545)

■

Sounds and vibrations caused by the Crawl Control system

●

A sound may be heard from the engine compartment when the engine is started or just

after the vehicle begins to move. This sound does not indicate that a malfunction has

occurred in Crawl Control system.

●

Either of the following conditions may occur when the Crawl Control system is operat-

ing. None of these are indicators that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.

• A motor sound may be heard after the vehicle comes to a stop.

■

If the slip indicator comes on...

It may indicate a malfunction in the system. Consult your Lexus dealer.

WARNING

■

When using Crawl Control

Do not rely solely on the Crawl Control. This function does not extend the vehicle’s

performance limitations. Always thoroughly check the road conditions, and drive

safely.

■

These conditions may cause the system not to operate properly

When driving on the following surfaces, the system may not be able to maintain a fixed

low speed, which may result in an accident:

●

Extremely steep inclines.

●

Extremely uneven surfaces.

●

Snow-covered roads, or other slippery surfaces.

365

Downhill assist control system



Shift the “DAC” switch to ON. The
downhill assist control system indicator
will comes on and the system will oper-
ate.

When the system is in operation, the slip

indicator will flash, and the stop lights/

high mounted stop lights will be lit. A

sound may also occur during the opera-

tion. This does not indicated a malfunc-

tion.

Shift the “DAC” switch to OFF while the system is in operation. The downhill
assist control system indicator will flash as the system gradually ceases operation,
and will turn off when the system is fully off.
Shift the “DAC” switch to ON while the downhill assist control system indicator is
flashing to start the system again.



: If equipped

The downhill assist control system helps to prevent excessive speed on steep
downhill slopes.
The system will operate when the vehicle is traveling under 15 mph (25 km/h)
with the accelerator and brake pedals released and the transfer mode is in L4.

System operation

Turning off the system

366

■

Operating tips

The system will operate when the shift lever is in a position other than P, however to make

effective use of the system it is recommended to select a lower shift range.

■

The system will not operate when

The transfer mode is in H4.

■

If the downhill assist control system indicator flashes

●

In the following situations, the indicator flashes and the system will not operate:
• The transfer mode is not in L4.

• The shift lever is in P.

• The accelerator or brake pedal is depressed.

• The vehicle speed exceeds approximately 15 mph (25 km/h).

• The brake system overheats.

●

In the following situations, the indicator flashes to alert the driver, but the system will

operate:
• The shift lever is in N.

• The “DAC” switch is turned off while the system is operating.

The system will gradually ceases operation. The indicator will flash during operation,

and then go off when the system is fully off.

■

When the downhill assist control system is operated continuously

This may cause the brake actuator to overheat. In this case, the downhill assist control

system will stop operating, a buzzer will sound and the downhill assist control system

indicator will start flashing, and the “TRAC OFF” indicator light will come on. Refrain

from using the system until the downhill assist control system indicator stays on and

“TRAC OFF” indicator light turns off. (The vehicle can be driven normally during this

time.)

■

Sounds and vibrations caused by the downhill assist control system

●

A sound may be heard from the engine compartment when the engine is started or just

after the vehicle begins to move. This sound does not indicate that a malfunction has

occurred in downhill assist control system.

●

Either of the following conditions may occur when the downhill assist control system is

operating. None of these are indicators that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.

• A motor sound may be heard after the vehicle comes to a stop.

■

System malfunction

In the following cases, have your vehicle checked by your Lexus dealer.

●

The downhill assist control system indicator does not come on when the engine switch

is turned to IGNITION ON mode.

●

The downhill assist control system indicator does not come on when the “DAC” switch

is shifted to ON.

●

The slip indicator comes on.

367

WARNING

■

When using downhill assist control system

Do not rely overmuch on the downhill assist control system. This function does not

extend the vehicle’s performance limitations. Always thoroughly check the road condi-

tions, and drive safely.

■

The system may not operate on the following surfaces, which may lead to an accident

causing death or serious injury

●

Slippery surfaces such as wet or muddy roads

●

Icy surface

●

Unpaved roads

368

Driving assist systems

◆

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

◆

Multi Terrain 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, or in off-road conditions (such as

rough roads, sand and mud)
Vehicles with Multi-terrain Select system: The Multi Terrain ABS operates in synchro-

nization with the Multi-terrain Select

◆

Brake assist

Generates an increased level of braking 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

◆

TRAC (Traction Control) for H4 position

Helps to maintain drive power and prevent the drive wheels from spinning when start-

ing the vehicle or accelerating on slippery roads

To keep driving safety and performance, the following systems operate auto-
matically 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.

369

◆

Active TRAC (Traction Control) for L4 position

Helps to maintain drive power and prevent the 4 wheels from spinning when starting

the vehicle or accelerating on slippery roads, or in off-road conditions

: The function only works in vehicles with Multi-terrain Select when Multi-terrain

Select is switched on

◆

Hill-start assist control

Helps to prevent the vehicle from rolling backward when starting on an incline or slip-

pery slope

◆

KDSS (Kinetic Dynamic Suspension System)

KDSS helps to enhance ride comfort and handling response by using a hydraulic con-

trol system to control the suspension stabilizer bars in response to road surface and

driving conditions during cornering or off-road driving

◆

Trailer Sway Control

Helps the driver to control trailer sway by selectively applying brake pressure for indi-

vidual wheels and reducing driving torque when trailer sway is detected.

The slip indicator light will flash while
the TRAC/Active TRAC/VSC/ABS/
Multi Terrain ABS/Trailer Sway Control
systems are operating.

When the TRAC/Active TRAC/VSC/ABS/Multi Terrain ABS/Trailer
Sway Control systems are operating

370

If the vehicle gets stuck in mud, dirt or snow, the TRAC/Active TRAC system may

reduce power from the engine to the wheels. Pressing

to turn the system off

may make it easier for you to rock the vehicle in order to free it.
To turn the TRAC/Active TRAC system

off, quickly press and release

The “TRAC OFF” indicator light will

come on.

Press

again to turn the system

back on.

■

Turning off TRAC/Active TRAC, VSC and Trailer Sway Control systems

To turn the TRAC/Active TRAC, VSC and Trailer Sway Control systems off, press and
hold

for more than 3 seconds while the vehicle is stopped.

The “TRAC OFF” indicator light and the VSC OFF indicator light will come on

Press

again to turn the systems back on.

: Pre-collision brake assist and pre-collision braking will also be disabled. The PCS

warning light will come on and the message will be shown on the multi-information dis-
play. (

P. 246)

■

When the “TRAC OFF” indicator light comes on even if

has not been pressed

TRAC/Active TRAC is temporary deactivated. If the indicator light continues to remain

on, contact your Lexus dealer.

■

Hill-start assist control operation conditions

●

The shift lever is in D or S.

●

The brake pedal is not depressed.

Disabling the TRAC/Active TRAC system

371

■

Sounds and vibrations caused by the ABS/Multi Terrain ABS, brake assist, VSC, Trailer

Sway Control, TRAC/Active TRAC and hill-start assist control systems

●

A sound may be heard from the engine compartment when the brake pedal is

depressed repeatedly, when the engine is started or just after the vehicle begins to

move. This sound does not indicate that a malfunction has occurred in any of these sys-

tems.

●

Any of the following conditions may occur when the above systems are operating.

None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.

• A motor sound may be heard also after the vehicle comes to a stop.

• The brake pedal may pulsate slightly after the ABS/Multi Terrain ABS is activated.

• The brake pedal may move down slightly after the ABS/Multi Terrain ABS is acti-

vated.

■

Automatic reactivation of TRAC/Active TRAC, Trailer Sway Control and VSC systems

After turning the TRAC/Active TRAC, Trailer Sway Control and VSC systems off, the

systems will be automatically re-enabled in the following situations:

●

When the engine switch is turned off

●

If only the TRAC/Active TRAC system is turned off, the TRAC/Active TRAC will turn

on when vehicle speed increases

If both the TRAC/Active TRAC and VSC systems are turned off, automatic re-enabling

will not occur when vehicle speed increases.

■

When the brake system operates continuously

The brake actuator may overheat. In this case, the TRAC/Active TRAC and hill-start

assist control systems will stop operating, a buzzer will sound and the “TRAC OFF” indi-

cator will come on. Refrain from using the system until the message goes off. (There is no

problem with continuing normal driving.)

■

If the slip indicator comes on...

It may indicate a malfunction in the TRAC/Active TRAC, VSC/Trailer Sway Control or

hill-start assist control system. Consult your Lexus dealer.

■

KDSS

Some difference of vehicle height between left and right side can appear. This does not

indicate a malfunction in the KDSS system. For more information, contact your Lexus

dealer.

372

WARNING

■

The ABS/Multi Terrain ABS does not operate effectively when

●

The limits of tire gripping performance have been exceeded (such as excessively

worn tires on a snow covered road).

●

The vehicle hydroplanes while driving at high speed on wet or slick roads.

■

Stopping distance when the ABS/Multi Terrain ABS is operating may exceed that of

normal conditions

The ABS/Multi Terrain ABS is not designed to shorten the vehicle’s stopping distance.

Always maintain a safe distance from the vehicle in front of you, especially in the follow-

ing situations:

●

When driving on dirt, gravel or snow-covered roads

●

When driving with tire chains

●

When driving over bumps in the road

●

When driving over roads with potholes or uneven surfaces

■

TRAC/Active TRAC/VSC may not operate effectively when

Directional control and power may not be achievable while driving on slippery road

surfaces, even if the TRAC/Active TRAC/VSC system is operating.
Drive the vehicle carefully in conditions where stability and power may be lost.

■

Hill-start assist control does not operate effectively when

Do not overly rely on the hill-start assist control. The hill-start assist control may not

operate effectively on steep inclines and roads covered with ice.

■

When the TRAC/Active TRAC/VSC/Trailer Sway Control is activated

The slip indicator light flashes. Always drive carefully.

Reckless driving may cause an accident. Exercise particular care when the indicator

light flashes.

■

When the TRAC/Active TRAC/VSC/Trailer Sway Control systems are turned off

Be especially careful and drive at a speed appropriate to the road conditions. As these

are the systems to help ensure vehicle stability and driving force, do not turn the

TRAC/Active TRAC/VSC/Trailer Sway Control systems off unless necessary.
Trailer Sway Control is part of the VSC system and will not operate if VSC is turned off

or experiences a malfunction.

373

WARNING

■

Replacing tires

Make sure that all tires are of the specified size, brand, tread pattern and total load

capacity. In addition, make sure that the tires are inflated to the recommended tire infla-

tion pressure level.
The ABS/Multi Terrain ABS, TRAC/Active TRAC, Trailer Sway Control and VSC sys-

tems will not function correctly if different tires are installed on the vehicle.

Contact your Lexus dealer for further information when replacing tires or wheels.

■

Handling of tires and the suspension

Using tires with any kind of problem or modifying the suspension will affect the driving

assist systems, and may cause a system to malfunction.

■

Trailer Sway Control precaution

The Trailer Sway Control system is not able to reduce trailer sway in all situations.

Depending on many factors such as the conditions of the vehicle, trailer, road surface

and driving environment, the Trailer Sway Control system may not be effective. Refer to

your trailer owner’s manual for information on how to tow your trailer properly.

■

If trailer sway occurs

Observe the following precautions.

Failing to do so may cause death or serious injury.

●

Firmly grip the steering wheel. Steer straight ahead.

Do not try to control trailer sway by turning the steering wheel.

●

Begin releasing the accelerator pedal immediately but very gradually to reduce

speed.

Do not increase speed. Do not apply vehicle brakes.

If you make no extreme correction with the steering or brakes, your vehicle and trailer

should stabilize. (



P. 195)

374

BSM (Blind Spot Monitor)

The Blind Spot Monitor is a system that has 2 functions;

●

The Blind Spot Monitor function
Assists the driver in making the decision when changing lanes

●

The Rear Cross Traffic Alert function
Assists the driver when backing up

These functions use same sensors.

Summary of the Blind Spot Monitor

375

The Blind Spot Monitor on/off screen and indicator

The Blind Spot Monitor system can be turned on/off on the multi-information display.

When the system is set to on, the indicator illuminates in the meter and the buzzer

sounds. The Blind Spot Monitor function and the Rear Cross Traffic Alert function are

turned on/off simultaneously.

Outside rear view mirror indicator

The Blind Spot Monitor function:

When a vehicle is detected in the blind spot, the outside rear view mirror indicator

comes on while the turn signal lever is not operated. If the turn signal lever is operated

toward the detected side, the outside rear view mirror indicator flashes.
The Rear Cross Traffic Alert function:

When a vehicle approaching from the right or left rear of the vehicle is detected, the

outside rear view mirror indicators flash.

Monitor screen display (The Rear Cross Traffic Alert function only)

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

Rear Cross Traffic Alert icon (

P. 381) for the detected side will be displayed on the

monitor screen.
This illustration shows an example of a vehicle approaching from the left at the rear of

the vehicle.

The Rear Cross Traffic Alert buzzer (The Rear Cross Traffic Alert function
only)

When a vehicle approaching from the right or left rear of the vehicle is detected, a

buzzer sounds from behind the rear seat.

Press

of the meter control switches and select

on the multi-

information display.

Press

of the meter control switches and select

, and then

press .

Each pressing of the switch turns the Blind Spot Monitor on and off.

Turning the Blind Spot Monitor system on/off

376

■

The outside rear view mirror indicators visibility

When under strong sunlight, the outside rear view mirror indicator may be difficult to

see.

■

The Rear Cross Traffic Alert buzzer hearing

The Rear Cross Traffic Alert buzzer may be difficult to hear over loud noises such as high

audio volume.

■

When “BSM NOT AVAILABLE”/“BSM not available” is shown on the multi-informa-

tion display

The sensor voltage has become abnormal, water, snow mud, etc., may be built up in the

vicinity of the sensor area of bumper (

P. 376). Removing the water, snow, mud, etc.,

from the vicinity of the sensor area bumper should return it to normal. Also, the sensor

may not function normally when used in extremely hot or cold weather.

■

When “CHECK BSM SYSTEM”/“Check BSM system” is shown on the multi-informa-

tion display

There may be a sensor malfunction or misaligned. Have the vehicle inspected by your

Lexus dealer.

WARNING

■

To ensure the system can operate properly

One Blind Spot Monitor sensor is installed inside the left and right side of the vehicle

rear bumper respectively. Observe the following to ensure the Blind Spot Monitor can

function correctly.

●

Do not subject a sensor or its surrounding area on the rear bumper to a strong

impact.

If a sensor is moved even slightly off position, the system may malfunction and vehi-

cles may not be detected correctly.

In the following situations, have your vehicle inspected by your Lexus dealer.
• A sensor or its surrounding area is subject to a strong impact.

• If the surrounding area of a sensor is scratched or dented, or part of them has

become disconnected.

●

Do not disassemble the sensor.

●

Do not attach accessories or stickers to the sensor or surrounding area on the

bumper.

●

Do not modify the sensor or surrounding area on the bumper.

●

Do not paint the rear bumper any color other than an official Lexus color.

●

Keep the sensor and its surrounding area on

the bumper clean at all times.

377

The Blind Spot Monitor function uses radar sensors to detect vehicles that are
traveling in an adjacent lane in the area that is not reflected in the outside rear
view mirror (the blind spot), and advises the driver of the vehicle’s existence via
the outside rear view mirror indicator.

The areas that vehicles can be detected in are outlined below.
The range of the detection area extends to:

Approximately 11.5 ft. (3.5 m) from
the side of the vehicle

The first 1.6 ft. (0.5 m) from the side of

the vehicle is not in the detection area

Approximately 9.8 ft. (3 m) from the
rear bumper
Approximately 3.3 ft. (1 m) forward
of the rear bumper

The Blind Spot Monitor function

The Blind Spot Monitor function detection areas

WARNING

■

Cautions regarding the use of the system

The driver is solely responsible for safe driving. Always drive safely, taking care to

observe your surroundings.
The Blind Spot Monitor function is a supplementary function which alerts the driver

that a vehicle is present in the blind spot. Do not overly rely on the Blind Spot Monitor

function. The function cannot judge if it is safe to change lanes, therefore over reliance

could cause an accident resulting in death or serious injury.
According to conditions, the system may not function correctly. Therefore the driver’s

own visual confirmation of safety is necessary.

378

■

The Blind Spot Monitor function is operational when

●

The Blind Spot Monitor system turned on.

●

Vehicle speed is greater than approximately 10 mph (16 km/h).

■

The Blind Spot Monitor function will detect a vehicle when

●

A vehicle in an adjacent lane overtakes your vehicle.

●

You overtake a vehicle in adjacent lane slowly.

●

Another vehicle enters the detection area when it changes lanes.

■

Conditions under which the system will not detect a vehicle

The Blind Spot Monitor function is not designed to detect the following types of vehicles

and/or objects:

●

Small motorcycles, bicycles, pedestrians etc.

●

Vehicles traveling in the opposite direction

●

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

●

Following vehicles that are in the same lane

●

Vehicles driving 2 lanes across from your vehicle

●

Vehicles which are being overtaken rapidly by your vehicle

: Depending on conditions, detection of a vehicle and/or object may occur.

379