2021 Lexus GX460 light

504
GX460_OM_OM60T19U_(U)6-3. Do-it-yourself maintenance
■Back-up lights
Remove the bolts and pull down
the under cover.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps listed.
1
2
3
4

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

518
GX460_OM_OM60T19U_(U)7-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system
. However, if this continues to occur,
have the vehicle inspecte d by your Lexus dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer) Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning.
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer. Continuing to drive the vehicle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
Low engine oil pressure warning light*1
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic automatic transmission control system
 Have the vehicle inspected by your Lexus dealer immediately.
High coolant temperature warning light (warning buzzer)*1
Indicates that the engine coolant temperature is too high
 Immediately stop the vehicle in a safe place. Handling method
( P. 553)
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.

5197-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
7
When trouble arises
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
 Have the vehicle inspected by your Lexus dealer immediately.
(Flashes or illuminates)
PCS warning light
When a buzzer sounds simultaneously:
Indicates a malfunction has occu rred in the PCS (Pre-Collision
System).
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
The PCS (Pre-Collision System) has become temporarily unavail-
able, corrective action may be necessary.
 Follow the instructions displayed on the multi-information dis-
play. ( P. 238)
If the PCS (Pre-Collision System ) or VSC (Vehicle Stability Con-
trol) system is disabled, the PC S warning light will illuminate.
 P. 249
Slip indicator
Indicates a malfunction in:
• The Multi-terrain Select (if equipped);
• The Crawl Control (if equipped);
• The downhill assist cont rol system (if equipped);
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system;
• Active TRAC (Traction Control) system;
• Trailer Sway Control; or
• The hill-start assist control system
The light will flash when any of the above systems other than the
Multi-terrain Select are operating.
 Have the vehicle inspected by your Lexus dealer immediately.
(Flashes)
(U.S.A.)
(Flashes)
(Canada)Parking brake indicator
Indicates a malfunction in the parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Kinetic dynamic suspension system warning light
Indicates a malfunction in the kin etic dynamic suspension system.
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions

5207-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
(Flashes)
Low speed four-wheel drive indicator lightIndicates a malfunction in the four -wheel drive system if the light
continues flashing. ( P. 344)
 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. 344)
 Have the vehicle inspected by your Lexus dealer immediately.
Open door warning light (warning buzzer)*2
Indicates that a hood, door or th e glass hatch is not fully closed
 Check that all the doors and the glass hatch are closed.
Low fuel level warning light
Indicates that remaining fuel is a pproximately 3.5 gal. (13.1 L, 2.9
Imp. gal.) or less
 Refuel the vehicle.
Driver’s and front passenger’s seat belt reminder light (warning
buzzer)
*3
Warns the driver and/or front passenger to fasten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s
seat belt also needs to be fastened to make the warning light
(warning buzzer) turn off.
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. 523)
Warning lightWarning light/Details/Actions

5217-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
7
When trouble arises
Brake Override System warning lig ht/Drive-Start Control warning
light
*1
Brake Override System Indicates that the accelerator and brake pedals are being
depressed simultaneously, and the Brake Override System is oper-
ating
 Release the accelerator pedal and depress the brake pedal.
Indicates a malfunction in the Brake Override System (with warn-
ing buzzer)
 Have the vehicle inspected by your Lexus dealer immediately.
Drive-Start Control
Indicates that the shift position was changed and Drive-Start Con-
trol was operated while depressi ng the accelerator pedal (with
warning buzzer)
 Momentarily release the accelerator pedal.
Indicates a malfunction in the Dr ive-Start Control system (with
warning buzzer)
 Have the vehicle inspected by your Lexus dealer immediately.
LDA indicator*1
Indicates a malfunction in the LDA (Lane Departure Alert)
 When “Lane Departure Alert Unav ailable” is displayed on the
multi-information display, turn the LDA system off, drive the
vehicle for a short time, and then turn the LDA system back on.
(  P. 252)
When a message other than above is displayed, follow the
instructions displayed in the message.
Warning lightWarning light/Details/Actions