2007 Lexus GX470 Using other driving systems /

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.

336
4-3. Do-it-yourself maintenance

When trouble arises5
337
5-1. Essential information............ 338If your vehicle needs to be towed .......................................... 338
If you think something is wrong .......................................... 343
Fuel pump shut off system ..... 344
Event data recorder ................. 345
5-2. Steps to take in an emergency............................ 347
If a warning light turns on or a warning buzzer sounds... .... 347
If you have a flat tire.................. 356
If the engine will not start ....... 367
If the shift lever cannot be shifted from P........................... 368
If you lose your keys ................. 369
If the vehicle battery is discharged ................................ 370
If your vehicle overheats ........ 373
If the vehicle becomes stuck ............................................ 375

338
5-1. Essential information
If your vehicle needs to be towed
Before towingThe following may indicate a problem with your transmission. Contact
your Lexus dealer before towing.
● The engine is running, but the vehicle will not move.
● The vehicle makes an abnormal sound.
Emergency towing
If a tow truck is not available, in an emergency your vehicle may be tem-
porarily towed using a cable or chain secured to the emergency towing
eyelet. This should only attempted on hard, surfaced roads for short dis-
tances at low speeds.
A driver must be in the vehicle to s teer and operate the brakes. The vehi-
cle’s wheels, drive train, axles, steering and brakes must be in good condi-
tion.
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or a commercial towing se rvice, using a lift-type truck or a flat
bed truck.
Use a safety chain system for all towi ng, and abide by all state/provincial
and local laws.
The wheels and axle on the ground must be in good condition.
If they are damaged, use a to wing dolly or flat bed truck.

5
When trouble arises
339
5-1. Essential information
Towing eyelets
■Emergency towing procedureRelease the parking brake.
Put the shift lever in “N”.
The ignition switch must be in the “ACC” position (engine off) or the “ON”
position (engine on).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle.
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelet and the cable or chain.
●If the engine is not running, the power assi st for the brakes and steering will not
function, making steering and braking more difficult.
●Put the vehicle height in the “N” (normal) mode and push the height control
“OFF” switch to turn off rear height co ntrol air suspension. Otherwise the auto-
matic leveling function may adjust the vehicle height unexpectedly, resulting in an
accident.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the rear with four wheels on the ground.
STEP1
STEP2
STEP3

340
5-1. Essential information
Towing with a sling-type truck
Towing with a wheel lift-type truckFrom front Use a towing dolly under the rear
wheels.
NOTICE
■To prevent body damage
Do not tow with a sling type truck, either from the front or rear.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the front with the rear wheels on the ground.