headlights Lexus GS350 2007 Using the front audio system / LEXUS 2007 GS430/350 (OM30A04U) User Guide

366
4-2. Maintenance
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal effort or catching)?
Automatic transmission
“Park” mechanism• Can the vehicle be hold securely on an incline with the shift lever in “P”?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and correct amount of free play?
Brakes
• Pulls to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers• Function properly?
Lights• Do all the lights come on?
• Headlights aimed correctly? ( P. 4 2 9 )
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on an
incline?
Seat belts
• Does the seat belt system operate smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate properly?
Steering wheel
• Moves smoothly?
• Has correct free play?
• No strange noises?

435
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Bulbs other than the above
If any of the bulbs listed below has burnt out, have your Lexus dealer
r

eplace it.
● Headlight lo
w beams (high-intensity discharge bulbs)
● F
og lights
●F
ront turn signal lights
●F
ront side marker lights
●Stop
/tail lights
●T
ail lights
●R
ear side marker lights
●High mounted stoplight
● License plate lights
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more inform ation i
n the following situations. Tempo-
rary condensation build-up on the inside of the headlight lens does not indicate a
ma
lfunction.
●Large drops of water are built up on the inside of the lens.
●Water has built up in side the headlight.
■LED light bulbs
The tail, tail/stop and high mounted stopligh ts co
nsist of a number of LEDs. If any
LEDs burn out, take your vehicle to your Lexus dealer to have the light replaced.
If two or more LEDs in a stoplight burn out, y
our vehicle may not conform to local
laws (SAE).
■High-intensity discharge (HID) headlights
If voltage to the high-intensity discharge bu l
bs is insufficient, the light may not come
on, or may go out temporarily. The high-i ntensity discharge bulbs will come on
when normal power is restored.

436
4-3. Do-it-yourself maintenance
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 bare 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 ente ring the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
●Do not attempt to repair or disassemble lig ht bulbs, connectors, electric circuits
or component parts. 
Doing so may result in serious injury due to electric shock.
■High-intensity discharge (HID) headlights
●Contact your Lexus dealer before replac ing high-intensity discharge headlights
(including light bulbs).
●Do not touch the high-intensity discharge headlight's high voltage socket when
the headlights are turned on. An extremely high voltage of 20000V will be dis-
charged and could result in serious injury or death by electric shock.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

5
When trouble arises
489
5-2. Steps to take in an emergency
■Avoiding a discharged battery
●Turn off the headlights and the audio system while the engine is turned off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the battery is removed or discharged
The following systems must be initialized.
●Po w e r w i n d o w s (P. 4 3 )
●Variable gear ratio steering (P. 1 5 9 )
●Tire pressure warning system (P. 3 9 3 )
●Intuitive parking assist (P. 1 3 6)
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately five
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the engine s
witch “OFF”.
Maintain the engine speed on th e second v
ehicle and turn the
engine switch to the “IG-ON” mode, then start the vehicle’s
engine.
Once the vehicle’s engine ha s star
ted, remove the jumper
cables in the exact reverse ord er in which they w
ere con-
nected.
Once the engine starts, have the ve hicle check
ed at your Lexus dealer
as soon as possible.
STEP3
STEP4
STEP5
STEP6

507
6-1. Specifications
6
Vehicle specifications
Light bulbs
A: D4S high-intensity discharge bulbs
B: HB3 halogen bulbs 
C: Wedge base bulbs (amber) 
D: Wedge base bulbs (clear) 
E: HB4 halogen bulbs 
F: Double end bulbs
Light BulbsBulb No.WTy p e
Exterior
Headlights (low beam)D4S35A
Headlights (high beam)HB360B
Front turn signal lights21C
Parking lights5D
Fog lightsHB451E
Front side marker light1945D
Rear turn signal lights21C
Back-up lights92116D
Trunk light5F
InteriorVanity lights8D

525
6-2. Customization
6
Vehicle specifications
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustomizedsetting
Pow e r w i n -
dows 
(
P. 4 3 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationONOFF
Moon roof 
(
P. 4 6 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Linked operation of com-
ponents when door key is
used
Slide onlyTilt only
Wireless remote control
linked operationONOFF
Linked operation of com-
ponents when wireless
remote control used
Slide onlyTilt only
Automatic
light control
system 
(
P. 1 1 6 )
Light sensor sensitivityLevel 3Levels 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
60 seconds
0 seconds
30 seconds
90 seconds
Daytime running lightONOFF*

535
Alphabetical index
Garage door opener..........................334
Gas station information ...................... 542
Gauges....................................................... 106
Glove box .................................................. 311
Hands-free system ............................... 262
Head restraints......................................... 30
Headlight aim ........................................ 435
Headlight cleaner .................................. 123
Headlights AFS (Adaptive Front lighting 
System) ................................................... 117
Discharge headlights 
precautions ....................................... 444
Replacing light bulbs ....................... 438
Switch .......................................................... 116
Wattage ................................................ 508
Heaters Seat heaters.............................. 323, 325
Side mirror .............................................. 198
Hill-start assist control ......................... 159
Hood .......................................................... 373
Hooks Cargo........................................................ 331
Shopping bag........................................ 331
Illuminated entry system ................... 306
I/M test ..................................................... 368
Indicator lights .......................................... 110
Initialization Items to initialize .................................. 527
Inside rear view mirror.......................... 40
Instrument panel light control ........... 107
Interior lights Interior lights ........................................ 308
Wattage ................................................ 508Intuitive parking assist ..........................
136
Jack Positioning the jack ........................... 374
Replacing the wheel ......................... 476
Jack handle.............................................. 476
Keys If you lose your keys ........................ 488
Key number plate ..................................... 2
Keys ................................................................. 2
Power switch........................................... 97
Mechanical key .......................................... 2
If the electronic key does not 
operate properly ........................... 489
Wireless remote control ..................... 14
Lexus link system .................................. 343
Light bulbs Replacing .............................................. 438
Wattage ................................................. 508
Light sensitive optitron meter........... 108
Lights Fog light switch ...................................... 119
Headlights switch.................................. 116
Interior lights list ................................. 306
Replacing light bulbs ....................... 438
Turn signal lever .................................. 104
Vanity lights ............................................ 317
Wattage ................................................. 508
Maintenance Do-it-yourself maintenance......... 369
General maintenance .................... 365
Maintenance data ............................. 498
Maintenance requirements .......... 363G
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