2021 Lexus GX460 Owner's Manual /

GX460_OM_OM60T19U_(U)
5056-3. Do-it-yourself maintenance
6
Maintenance and care
■Running board lightsTurn the bulb bases counter-
clockwise.
Remove the light bulb.
When installing, reverse the steps listed.
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlights
●Parking lights/daytime running lights
●Front side marker lights
●Fog lights (if equipped)
●Side turn signal lights
●High mounted stoplight
●Stop/tail lights
●License plate lights
1
2
3

506
GX460_OM_OM60T19U_(U)6-3. Do-it-yourself maintenance
■LED lights
The headlights, parking lights/daytime running
lights, front side marker lights, fog lights,
side turn signal lights, high mounted stoplig ht, stop/tail lights and license plate lights con-
sist of a number of LEDs. If any of the LEDs burn out, take your vehicle to your Lexus
dealer to have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:
●Large drops of water are built up on the inside of the lens.
●Water has built up inside the headlight.
WARNING
■Replacing light bulbs
●Turn off the headlights. Do not attempt to replace the bulb immediately after turning
off the headlights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bu lb with bare hands. When it is unavoid-
able to hold the glass portion, use and hold with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is sc ratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering th e headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.
●Do not attempt to repair or disassemble light bulbs, connectors, electric circuits or
component parts.
Doing so may result in death or se rious injury due to electric shock.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installing to prevent heat damage.

507
GX460_OM_OM60T19U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers ................. 508
If your vehicle has to be stopped in
an emergency ..........................509
If the vehicle is trapped in rising water ................................. 510
7-2. Steps to take in an emergency If your vehicle needs to be towed................................... 511
If you think something is wrong ............................................ 516
Fuel pump shut off system ........517
If a warning light turns on or a warning buzzer
sounds........................................... 518
If a warning message is displayed..................................... 527
If you have a flat tire ................... 531
If the engine will not start ........545
If the electronic key does not operate properly ............. 547
If the vehicle battery is discharged ................................ 550
If your vehicle overheats .........553
If the vehicle becomes stuck .............................................556

508
GX460_OM_OM60T19U_(U)7-1. Essential information
Emergency flashers
Press the switch.
All the turn signals will flash.
To turn them off, press the switch once
again.
■Emergency flashers
If the emergency flashers are used for a long time while the engine is not operating, the
battery may discharge.
The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.

509
GX460_OM_OM60T19U_(U)
7
When trouble arises
7-1. Essential information
If your vehicle has to be stopped in an emergency
Steadily 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 more
4
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

510
GX460_OM_OM60T19U_(U)7-1. Essential information
If the vehicle is trapped in rising water
●Remove the seat belt first.
●If the door can be opened, open
the door and exit the vehicle.
●If the door can not be opened, open the window using the power window
switch and exit the vehicle through the window.
●If the window can not be opened us ing the power window switch, remain
calm, wait until the water level inside the vehicle rises to the point that the
water pressure inside of the vehicle equals the water pressure outside of the
vehicle, and then open the door and exit the vehicle.
In the event the vehicle is submerged in water, remain calm and perform the
following.
WARNING
■Using an emergency hammer* for emergency escape
The rear side windows and rear window of this vehicle can be shattered by an emer-
gency hammer
* used for emergency escape, however, since the windshield and front
side windows are laminated glass they ca n not be shattered by an emergency ham-
mer
*.
*: Contact your Lexus dealer or aftermarket accessory manufacturer for further infor-
mation about an emergency hammer.
■Escaping the vehicle from the window
There are cases where escaping the vehicl e from the window is not possible due to
seating position, passenger body type, etc.
When using an emergency hammer, consider your seat location and the size of the
window opening to ensure that the opening is accessible and large enough to escape.

511
GX460_OM_OM60T19U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If your vehicle needs to be towed
The following may indicate a problem with your transmission. Contact your
Lexus dealer or commercial to wing service before towing.
●The engine is running but the vehicle does not move.
●The vehicle makes an abnormal sound.
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or commercial towing se rvice, using a wheel-lift type truck or
flatbed truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
If towing your vehicle with a wheel-lift type truck, use a towing dolly.
(  P. 512, 514)
Situations when it is necessary to contact dealers before towing

5127-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
When using a flatbed truck to transport the vehicle, use tire strapping belts. Refer
to the owner’s manual of the flatbed truck for the tire strapping method.
In order to suppress vehicle movement during transportation, set the parking
brake and turn the engine switch off.
If a tow truck is not available in an emergency, your vehicle may be temporarily
towed using cables or chains secured to the emergency towing hooks. This\
should only be attempted on hard surf aced 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.
Towing with a wheel-lift type truck
From the frontFrom the rear
Use a towing dolly under the rear
wheels. Use a towing dolly under the front
wheels.
Using a flatbed truck
Emergency towing