2007 Lexus GX470 lights

329
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
22ACC7. 5
Shift lock control system, power out-
let, outside rear view mirror, audio
system, navigation system, power
rear view mirrors, trip information
display, rear view monitor system
23CIG10Cigarette lighter
24POWER OR
TI&TE30Power windows, moon roof, tilt and
telescopic steering
■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. 3 3 1 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

331
4-3. Do-it-yourself maintenance
4
Maintenance and care
Light bulbs
You may replace the following bulbs yourself. For more information about
replacing other light bulbs, contact your Lexus dealer.
■Prepare a replacement light bulb.
Check the wattage of the light bulb being replaced. ( P. 386)
■ Remove the engine compartment cover if necessary.
 P. 2 8 8
■ Front bulb locations
■ Rear bulb locations
Head light low beam
Headlight high beam
Rear turn signal light Stop/tail lights License plate lights

332
4-3. Do-it-yourself maintenance
Replacing light bulbs■ Headlight low and high beam
Unplug the connector while push-
ing the lock release.
Turn the bulb base counterclock-
wise to remove it.
■ Rear turn signal, stop/tail lights
Open the back door and remove
the screws.
STEP1
STEP2
STEP1

333
4-3. Do-it-yourself maintenance
4
Maintenance and care
Turn the bulb base counterclock-
wise.Turn signal light
Stop/tail lights
Remove the light bulb.
■ License plate light
Remove while pressing from the
side.
Turn the bulb base counterclock-
wise.STEP2
STEP3
STEP1
STEP2

334
4-3. Do-it-yourself maintenance
Remove the light bulbs.
■ Bulbs other than the above
If any of the bulbs listed below has burnt out, have your Lexus dealer
replace it.
●Fog lights
● Parking lights
● Front turn signal lights
● Front side marker lights
● High mounted stoplight
● Back-up lightsSTEP3
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more inform ation in the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
malfunction.
●Large drops of water are built up on the inside of the lens.
●Water has built up inside the headlight.
■LED light bulbs
The high mounted stoplights consist of a number of LEDs. If any LEDs burn out,
take your vehicle to your Lexus de aler to have the light replaced.
If two or more LEDs in a stoplight burn out, your vehicle may not conform to local
laws (SAE).

335
4-3. Do-it-yourself maintenance
4
Maintenance and care
CAUTION
■Replacing light bulbs
●Turn off the headlights. Do not attempt to replace the bulb immediately after turn-
ing off the headlights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with ba re hands. Hold the bulb by
the plastic or metal portion.
If the bulb is scratched or dropped it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failing to do so may
result in heat damage, fire, or water en tering the headlight unit. This may damage
the headlights 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 serious injury due to electric shock.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

5
When trouble arises
347
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Brake system warning light
•Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, bu t then turns off, this does not necessar-
ily indicate a malfunction in the system.

352
5-2. Steps to take in an emergency
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is your vehicle low on gas?
If it is, refuel the vehicle immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after taking several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
■Front passenger detection sensor and passenger seat belt reminder
●If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash, even if a passenger is not sitting in
the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the following:
●The airbag sensor assembly
●Front airbag sensors
●The curtain shield airbag sensors
●The side and curtain shield airbag sensors
●The occupant detection sy stem (ECU and sensors)
●“AIRBAG ON” and “AIRBA G OFF” indicator lights
●The seat belt buckle switches
●The driver’s seat position sensor
●The driver’s seat belt buckle switch
●Front passenger’s seat belt buckle switch
●The inflators
●The warning light
●The interconnecting wiring and power sources