lights Lexus GX460 2021 / LEXUS 2021 GX460 (OM60T19U) Manual PDF

496
GX460_OM_OM60T19U_(U)6-3. Do-it-yourself maintenance
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may need
replacement. (
P. 499)
●If the replaced fuse blows again, have th e vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to th e vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage rati ng than indicated, or use any other object
in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.
Never replace a fuse with a wi re, even as a temporary fix.
●Do not modify the fuses or the fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload dete rmined and repaired by your Lexus dealer,
as soon as possible.

500
GX460_OM_OM60T19U_(U)6-3. Do-it-yourself maintenance
■Rear
Rear turn signal light
Back-up light
Rear side marker light
Running board lights1
2
3
4

GX460_OM_OM60T19U_(U)
5016-3. Do-it-yourself maintenance
6
Maintenance and care
■Front turn signal lightsTurn the bulb base counterclock-
wise.
Remove the light bulb.
When installing, reverse the steps listed.
Replacing light bulbs
1
2
3

502
GX460_OM_OM60T19U_(U)6-3. Do-it-yourself maintenance
■Rear turn signal lights an
d rear side marker lights
Open the back door.
Left-hand side
Remove the bolts and lamp assem-
bly.
Right-hand side Remove the bolts.
Close the back door half way
and remove the lamp assem-
bly.
1
1
2

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.

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.

5247-2. Steps to take in an emergency
GX460_OM_OM60T19U_(U)
WARNING
■If both the ABS and the brake system 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.

527
GX460_OM_OM60T19U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If a warning message is displayed
Multi-information display
Handling method
Follow the instructions of the mes-
sage on the multi-information dis-
play.
If any of the warning lights comes on ag ain after the following actions have been
performed, contact your Lexus dealer.
The warning lights and warning buzzers operate as follows depending on the
content of the message. If a message indicates the need for inspection by a
dealer, have the vehicle inspected by your Lexus dealer immediately.
*: A buzzer sounds the first time a message is shown on the multi-information display.
The multi-information display shows warn ings of system malfunctions, incor-
rectly performed operations, and messag es that indicate a need for mainte-
nance. When a message is shown, perform the correction procedure
appropriate to the message.
1
2
Messages and warnings
Warning lightWarning buzzer
*Warning
Sounds
• Indicates an important situation, such as when a sys- tem related to driving is malfunctioning or that dan-
ger may result if the correction procedure is not
performed
• Indicates a situation, such as when damage to the
vehicle or danger may result
Comes on or flashesSounds
Indicates an important situat ion, such as when the sys-
tems shown on the multi-information display may be
malfunctioning
Does not sound
• Indicates a condition, such as malfunction of electri-
cal components, their condition, or indicates the
need for maintenance
• Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to per-
form an operation correctly