headlights Lexus IS F 2011 Using The Bluetooth Audio System /

438
4-3. Do-it-yourself maintenance
■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 inside 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, daytime running lights/parking lights and high
mounted stoplight
The tail lights, stop/tail lights, daytim e running lights/parking 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.

439
4-3. Do-it-yourself maintenance
4
Maintenance and care
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.

5
When trouble arises
493
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.
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

512
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
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
Rear overhead courtesy light3F
Front door courtesy lights5E
Trunk light5F

530
6-2. Customization
Pow e r w i n -
dows
(
P. 7 3 )
Linked door lock opera-
tionOnOff
Linked door key opera-
tionOpen and closeOpen only
Close only
Wireless remote control
linked operationOffOpen only
Moon roof
(
P. 76 )
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 operationOffOpen only
Linked operation of com-
ponents when wireless
remote control is used
Off
Slide only
Tilt only
Automatic
light control
system
(
P. 1 5 8 )
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 5 9 )
Daytime running light sys-
tem (U.S.A. only)OnOff
ItemFunctionDefault settingCustomizedsetting

557
Alphabetical index
FuelCapacity.................................................505
Fuel gauge .............................................. 146
Fuel pump shut off system ............ 450
Gas station information .................568
Information.............................................. 513
Refueling ................................................... 80
Fuel door..................................................... 80
Fuel filler door........................................... 80
Fuel pump shut off system ................ 450
Fuses............................................................ 419
Garage door opener.......................... 348
Gas station information ..................... 568
Gauges....................................................... 146
Glove box ................................................324
Glove box light.......................................324
Hands-free system for mobile phone ..................................................... 288
Hazard lights Switch .......................................................442
Head restraints Adjusting ..................................................57
Headlight aim ........................................ 433 Headlight cleaner .................................. 165
Headlights
Discharge headlight precautions........................................439
Replacing light bulbs ........................435
Switch........................................................ 158
Wattage ................................................... 512
Heaters Seat heaters ......................................... 338
Side mirrors ........................................... 218
Hill-start assist control ......................... 187
Hood ........................................................... 381
Hooks Cargo ......................................................345
Coat..........................................................343
Shopping bag ......................................345
Horn ............................................................ 145
I/M test...................................................... 377
Identification Engine..................................................... 503
Vehicle ................................................... 503
Ignition switch.......................................... 130
Illuminated entry system ..................... 319
Indicator lights......................................... 150
G
HI

558
Alphabetical index
InitializationItems to initialize ................................. 533
Inside rear view mirror .......................... 69
Interior lights Interior lights...........................................319
Switch ........................................................ 321
Wattage....................................................512
Jack Positioning a floor jack.................... 382
Vehicle-equipped jack ....................477
Jack handle .............................................. 477
Keyless entry.............................................. 39
Keys Electronic key ..........................................24
Engine switch........................................ 130
If you lose your keys........................ 488
If the electronic key does not operate properly ............................489
Key number ..............................................24
Keyless entry ........................................... 39
Keys ..............................................................24
Mechanical key...................................... 25
Wireless remote control key .......... 39 Lexus Enform*
Light bulbs
Replacing .............................................. 435
Wattage ................................................... 512
Lights Door courtesy lights .......................... 319
Emergency flasher switch..............442
Fog light switch ...................................... 161
Hazard light switch ...........................442
Headlights switch ................................158
Interior light switch ............................. 321
Outer foot lights................................... 319
Personal light switch .......................... 321
Replacing light bulbs ....................... 435
Shift lever light....................................... 319
Turn signal lever................................... 143
Vanity lights.......................................... 330
Wattage ................................................... 512
Load capacity......................................... 203
Maintenance Do-it-yourself maintenance......... 378
General maintenance......................374
Maintenance data ............................. 502
Maintenance requirements........... 372
J
K
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M