steering wheel LEXUS LX570 2018 Repair Manual

511
LX570_OM_OM60Q78U_(U) 7
When trouble arises 7-1. Essential information
If your vehicle has to be stopped in an emergencySteadily step on the brake pedal with both feet and firmly depress it.Do not pump the brake pedal repeatedly as this will increase the effort required to
slow the vehicle.
Shift the shift lever to N. 
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine. 
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the engine, press and hold
the engine switch for 2 consecutive
seconds or more, or press it briefly 3
times or more in succession.
Stop the vehicle in a safe place by the road.Only in an emergency, such as if it becomes impossible to stop the vehicle in
the normal way, stop the vehicl e using the following procedure:1
2
3
4
3
Press and hold for 2 seconds or more,
or press briefly 3 times or more4
WARNING ■
If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heav ier to turn. Decelerate as much as possi-
ble before turning off the engine. 5

514 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) If your vehicle is transported by a flat-
bed truck, it should be tied down at the
locations shown in the illustration.
If you use chains or cables to tie down
your vehicle, the angles shaded in black
must be 45 ° .
Do not overly tighten the tie downs or
the vehicle may be damaged.
If a tow truck is not available in an em ergency, your vehicle may be temporarily
towed using cables or chains secured to the emergency towing hooks. This
should only be attempted on hard su rfaced roads for at most 50 miles (80 km)
at under 18 mph (30 km/h).
A driver must be in the vehicle to st eer and operate the brakes. The vehicle’s
wheels, drive train, axles, steering an d brakes must be in good condition.Using a flatbed truck
Emergency towing

5157-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises Securely attach cables or chains to
the towing hooks. Take care not to damage the vehicle
body.
Enter the vehicle being towed and start the engine.
If the engine does not start, turn th e engine switch to IGNITION ON mode.
Shift the four-wheel drive control switch to “H4”. (The center differential is
unlocked.)
Change the vehicle height to N (norma l) mode and press the height control
OFF button to end the vehicle height control operation. ( → P. 298)
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted: → P. 215■
While towing
If the engine is not running, the power assist for the brakes and steering will not function,
making steering and br aking more difficult.Emergency towing procedure 1
2
3
4
5

516 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury. ■
When towing the vehicle
■
While towing ●
When towing using cables or chains, avoid sudden starts, etc. which place excessive
stress on the towing hooks, cables or chai ns. The towing hooks, cables or chains may
become damaged, broken debris may hit people and cause serious damage. ●
Do not turn the engine switch off.
There is a possibility that the steering wheel is locked and cannot be operated.Be sure to transport the vehicle with all four
wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground, the
drivetrain or related parts may be damaged,
the vehicle may fly off the truck.

5177-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises NOTICE ■
To prevent damage to the vehicle when towing using a wheel-lift type truck●
Do not tow the vehicle from the rear when the engine switch is off. The steering lock
mechanism is not strong enough to hold the front wheels straight. ●
When raising the vehicle, en sure adequate ground cleara nce for towing at the oppo-
site end of the raised vehicle. Without ad equate clearance, the vehicle could be dam-
aged while being towed. ■
To prevent damage to the vehicle wh en towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear. ■
To prevent damage to the ve hicle during emergency towing
Do not secure cables or chains to the suspension components. ■
To avoid serious damage to your vehicle
Do not use the rear emergency towing hook.

522 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) (Flashes)
Low speed four-wheel drive indicator light
Indicates a malfunction in the four -wheel drive system if the light
continues flashing. ( → P. 303)
→ Have the vehicle inspected by your Lexus dealer immediately. (Flashes)
Center differential lock indicator light
Indicates a malfunction in the four -wheel drive system if the light
continues flashing. ( → P. 303)
→ Have the vehicle inspected by your Lexus dealer immediately.
Open door warning light (warning buzzer)
* 2
Indicates that a door is not fully closed
→ Check that all the doors are closed.
Low fuel level warning light
Indicates that remaining fuel is approximately 4.0 gal. (15.0 L,
3.3 Imp.gal.) or less
→ Refuel the vehicle.
Driver’s seat belt reminder light (warning buzzer)
* 3
Warns the driver to fast en his/her seat belt.
→ Fasten the seat belt. (On the center panel)
Front passenger’s seat belt re minder light (warning buzzer)
* 3
Warns the front passenger to fasten his/her seat belt.
→ Fasten the seat belt.
Master warning light
A buzzer sounds and the warning light comes on or flashes to indi-
cate that the master warning sy stem has detected a malfunction.
→ P. 528
Tire pressure warning light
Indicates that:
•Flat tire
• Natural causes
• The tire pressure warnin g system is malfunctioning
→ Immediately stop the vehicle in a safe place.
Handling method ( → P. 525)
Power steering system warning light (warning buzzer)
Indicates a malfunction in the power steering system
→ Have the vehicle inspected by your Lexus dealer immediately. (Flashes)
(U.S.A.)
(Flashes)
(Canada)
Parking brake indicator
Indicates that the parking brake is not fully engaged or released
→ Operate the parking brake switch once again.
This light comes on when the parking brake is not released.
* 4
If the
light turns off after the parking brak e is fully released, the system is
operating normally.Warning light Warning light/Details/Actions

526 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) WARNING ■
If both the ABS and the brake sy stem warning lights remain on
Stop your vehicle in a safe place immediat ely and contact your Lexus dealer. The vehi-
cle will become extremely unstable during br aking, and the ABS system may fail, which
could cause an accident resultin g in death or serious injury.■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of vehi-
cle control and result in death or serious injury. ●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately. ●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat, change to
the spare tire and have the flat tire repaired by the nearest Lexus dealer. ●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes. ■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

588
LX570_OM_OM60Q78U_(U) 8-2. Customization■
Seat heaters and ventilators
* ( → P. 413)
* : If equipped ■
Heated steering wheel
* ( → P. 413)
* : If equipped Function Default setting Customized
setting
Adjustment of the front seat
heater temperature or the
ventilator fan speed during
automatic operation (indi-
vidual seat adjustment
available) Level 3 (standard) Level 1 (low) to
level 5 (high) O — O
Adjustment of the rear seat
heater temperature or the
ventilator fan speed during
automatic operation (indi-
vidual seat adjustment
available) Level 3 (standard) Level 1 (low) to
level 5 (high) O — O 1 2 3
Function Default setting Customized
setting
Automatic steering wheel
heating On Off O — O
Time until automatic steer-
ing wheel heating turns off Level 3 (standard) Level 1 (short) to
level 5 (long) O — O 1 2 3

609What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U) ●
Did you press the engine switch while firmly depressing the brake pedal?
( → P. 205)●
Is the shift lever in P? ( → P. 205)●
Is the electronic key anywhere detectable inside the vehicle? ( → P. 133)●
Is the steering wheel unlocked? ( → P. 208)●
Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( → P. 547)●
Is the battery discharged? ( → P. 549)●
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( → P. 215)If you think something is wrong The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

610 What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U) ●
It is locked automatically to prevent theft of the vehicle. ( → P. 207)●
Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( → P. 165)●
The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( → P. 207)●
The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts?
( → P. 522)●
The parking brake indicator is on
Is the parking brake released? ( → P. 218)
Depending on the situation, other type s of warning buzzer may also sound.
( → P. 520, 528)
●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( → P. 77)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds