headlights Lexus IS F 2008 Do-It-Yourself Maintenance /

337
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Condensation build-up on the inside of the lens
Contact your Lexus dealer for more information 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 in side the headlight.
■Discharge headlights
If voltage to the discharge bulbs is insufficient, the bulbs may not come on, or may
go out temporarily. The discharge bulbs will come on when normal power is
restored.
■LED tail lights, stop/tail lights and high mounted stoplight
The tail lights, stop/tail lights and high mounted stoplight consist of a number of
LEDs. If any of the LEDs burn out, take your vehicle to your Lexus dealer to have the
light replaced.

338
4-3. Do-it-yourself maintenance
CAUTION
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning
off the lights.
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 en tering the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
●Do not attempt to take apart or repair the low beam headligh t bulbs, connectors,
power supply circuits, or related components.
Doing so could result in electric shock and serious injury or death.
■Discharge headlights
●Contact your Lexus dealer be fore replacing 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 20000 V wi ll be discharged and could result in
serious injury or death by electric shock.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

390
5-2. Steps to take in an emergency
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components 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 power windows must be initialized.
( P. 6 2 )
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the do ors with the “ENGINE START
STOP” switch OFF.
Maintain the engine speed of th e second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the ve hicle checked at your Lexus dealer
as soon as possible.STEP2
STEP3
STEP4
STEP5

408
6-1. Specifications
Light bulbs
A: D4S discharge bulbs
B: H11 halogen bulbs
C: Wedge base bulbs (amber)
D: HB3 halogen bulbs
E: Wedge base bulbs (clear)
F: Double end bulbs
Light BulbsBulb No.WTy p e
Exterior
HeadlightsHigh beam
Low/high beam
9005
D4S6035DA
Front turn signal lights21C
Parking lights1685E
Front fog lights55B
Rear turn signal lights21C
Back-up lights92116E
Outer foot lights5E
Interior
Vanity lights8E
Interior lights Front
Rear
53E F
Overhead courtesy lights Front
Rear
3.83EF
Door courtesy lights5E
Trunk light5F

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6-2. Customization
ItemFunctionDefault settingCustomizedsetting
Pow e r w i n -
dows
(
P. 6 2 )
Linked door lock opera-
tionOnOff
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationOnOff
Moon roof
(
P. 6 4 )
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 is used
Slide onlyTilt only
Automatic
light control
system
(
P. 1 3 9 )
Light sensor sensitivityLevel 3Level 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
30 seconds
0 seconds
60 seconds
90 seconds
Lights
(
P. 1 4 0 )
Daytime running light sys-
tem (U.S.A. only)OnOff

442
Alphabetical index
First-aid kit storage belt ...................... 251
Floor mat ..................................................250
FluidBrake........................................................290
Washer ................................................... 295
Fog lights Switch ........................................................ 142
Wattage................................................. 408
Foot well lights ....................................... 223
Front fog lights Switch ........................................................ 142
Wattage................................................. 408
Front passenger occupant classification system ........................... 88
Front passenger's seat belt
reminder light......................................353
Front seats Adjustment............................................... 44
Driving position memory.................. 45
Seat position memory ........................ 48
Front turn signal lights Switch ........................................................ 126
Wattage................................................. 408
Fuel Capacity .................................................. 401
Fuel gauge ..............................................128
Fuel pump shut off system ............ 347
Gas station information.................. 452
Information............................................409
Refueling ................................................... 67
Fuel door ..................................................... 67
Fuel filler door ........................................... 67
Fuel pump shut off system ................. 347
Fuses ........................................................... 318 Garage door opener .......................... 254
Gas station information ..................... 452
Gauges ...................................................... 128
Glove box .................................................227
Glove box light ...................................... 228
Head restraints
Adjusting ................................................. 50
Headlight aim......................................... 332
Headlight cleaner...................................146
Headlights Discharge headlights precautions ....................................... 338
Replacing light bulbs ....................... 334
Switch ........................................................ 139
Wattage ................................................. 408
Heaters Seat heaters .............................. 242, 244
Side mirrors............................................ 194
Hill-start assist control ..........................166
Hood .......................................................... 279
Hooks Cargo........................................................ 251
Coat ..........................................................249
Shopping bag ....................................... 251FG
H

443
Alphabetical index
I/M test ......................................................275
IdentificationEngine ..................................................... 399
Vehicle.................................................... 399
Ignition switch ............................................114
Illuminated entry system ....................223
Indicator lights ......................................... 132
Initialization Items to initialize ................................. 429
Inside rear view mirror.......................... 59
Interior lights Interior lights .........................................223
Switch ...................................................... 225
Wattage .................................................408
Jack Positioning a floor jack ................... 280
Replacing the wheel .........................374
Jack handle ..............................................374
Keyless entry ..............................................34
Keys Electronic key......................................... 20
Engine switch .......................................... 114
If you lose your keys ........................385
If the electronic key does not operate properly ............................ 386
Key number............................................. 20
Keyless entry............................................34
Keys ............................................................. 20
Mechanical key ..................................... 20
Wireless remote control key...........34 Light bulbs
Replacing ...............................................334
Wattage ................................................. 408
Lights Door courtesy lights ......................... 223
Fog light switch .....................................142
Headlights switch................................ 139
Interior light switch ............................ 225
Outer foot lights ................................. 223
Overhead courtesy light ................ 223
Personal light switch......................... 225
Replacing light bulbs ........................334
Shift lever light...................................... 223
Turn signal lever ...................................126
Vanity lights .......................................... 234
Wattage ................................................. 408
Load capacity ...........................................179
Maintenance Do-it-yourself maintenance.......... 276
General maintenance ..................... 272
Maintenance data ............................. 398
Maintenance requirements ..........270
Meter Instrument panel light control ....... 130
Meters....................................................... 128
Micro dust and pollen filter................ 190
Mirrors Inside rear view mirror .......................59
Side mirror heater .............................. 194
Side mirrors .............................................60
Vanity mirrors ...................................... 234
Moon roof ................................................... 64
MP3 disc ..................................................... 211
Multi-information display ................... 135I
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