Bulbs Lexus GS450h 2008 Scheduled Maintenace Guide / LEXUS 2008 GS450H OWNER'S MANUAL (OM30A96U)

TABLE OF CONTENTSIndex
4
GS_HV_U
December 12, 2007 3:33 pm
3-4. Using the hands-free system 
(for cellular phone)................ 306
Hands-free system 
(for cellular phone) .................. 306
Using the Bluetooth
® phone ..... 311
Setting the hands-free 
system ............................................ 326
3-5. Using the interior lights .......... 352 Interior lights list............................ 352
3-6. Using the storage features .... 355 List of storage fe atures.............. 355
3-7. Other interior features........... 362 Sun visors......................................... 362
Vanity mirror .................................. 363
Clock ................................................. 364
Outside temperature 
display ........................................... 365
Ashtrays ........................................... 366
Cigarette lighter ........................... 367
Power outlet .................................. 368
Seat heaters/vent ilators ............ 369
Armrest ............................................. 371
Rear sunshade ............................... 372
Floor mats........................................ 374
Trunk features................................ 375
Garage door opener .................. 377
Compass......................................... 383
Lexus Link System ....................... 387 4-1. Maintenance and care............ 402
Cleaning and protecting 
the vehicle exterior................... 402
Cleaning and protecting 
the vehicle interior ................... 405
4-2. Maintenance............................. 408 Maintenance requir ements .... 408
General maintena nce ................. 410
Emission inspection and 
maintenance (I/M) 
programs ....................................... 413
4-3. Do-it-yourself 
maintenance............................. 414
Do-it-yourself service 
precautions ................................... 414
Hood................................................... 417
Positioning a floor jack................ 418
Engine compartment.................. 420
Tires ................................................... 435
Tire inflation pressure................. 445
Wheels.............................................. 449
Air conditioning filter................... 451
Electronic key battery ................ 454
Checking and replacing 
fuses ................................................ 456
Headlight aim.................................. 471
Light bulbs ....................................... 474
4Maintenance and care

Maintenance and care4
401
GS_HV_U
December 12, 2007 3:30 pm
4-1. Maintenance and 
care ............................... 402
Cleaning and protecting 
the vehicle exterior............ 402
Cleaning and protecting 
the vehicle interior ............. 405 4-2. Maintenance .................. 408
Maintenance 
requirements........................ 408
General maintenance ........... 410
Emission inspection and 
maintenance (I/M) 
programs ................................ 413
4-3. Do-it-yourself 
maintenance ................. 414
Do-it-yourself service 
precautions ............................ 414
Hood ............................................ 417
Positioning a floor jack .......... 418
Engine compartment ........... 420
Tires............................................ 435
Tire inflation pressure........... 445
Wheels ...................................... 449
Air conditioning filter ............ 451
Electronic key battery.......... 454
Checking and replacing 
fuses ........................................ 456
Headlight aim ........................... 471
Light bulbs ................................. 474

474
4-3. Do-it-yourself maintenance
GS_HV_U
December 27, 2007 1:38 pm
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. 5 5 2 )
■ Remove the engine compartment cover if necessary
 P. 4 2 1
■ Front bulb locations
■ Rear bulb locations
Parking light
Headlight high beam
Rear turn signal light Back-up light

475
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U
December 27, 2007 1:38 pm
Replacing light bulbs■ Headlight high beam
Left-hand side: Remove the fuse
box cover.
Unplug the connector while
depressing the lock release.
Turn the bulb base counterclock-
wise to remove it.
STEP1
STEP2
STEP3

478
4-3. Do-it-yourself maintenance
GS_HV_U
December 27, 2007 1:38 pm
■Bulbs other than the above
If any of the bulbs listed below has burnt out, have your Lexus dealer
replace it.
●Headlight low beams (high-intensity discharge bulbs)
● Fog lights
● Front turn signal lights
● Front side marker lights
● Side turn signal lights
● Tail/stop lights
● Tail lights
● Rear 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 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 side turn signal lights, tail, tail/stop and high mounted stoplights 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.
If two or more LEDs in a stoplight burn out, your vehicle may not conform to local
laws (SAE).

479
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U
December 27, 2007 1:38 pm
■High-intensity discharge (HID) headlights
If voltage to the high-intensity discharge bulbs 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.
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 take apart or repair the low beam discharge headlight bulbs,
connectors, power supply circuits, or related components. 
Doing so could result in electric shock and death or serious injury.
■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 20000 V wi ll be discharged and could result in
death or serious injury by electric shock.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

552
6-1. Specifications
GS_HV_U
December 12, 2007 3:50 pm
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

587
Alphabetical index
GS_HV_U
December 12, 2007 3:50 pm
Front passenger occupant 
classification system .......................... 107
Front passenger’s seat belt 
reminder light ..................................... 493
Front seats Adjustment .............................................. 58
Driver’s seat position memory ...... 60
Front turn signal lights Wattage ................................................. 552
Fuel Capacity................................................. 546
Fuel gauge ..............................................148
Gas station information ................. 596
Information............................................ 553
Refueling ................................................... 83
Messages ..................................................511
Fuel door..................................................... 83
Fuel filler door........................................... 83
Fuses.......................................................... 456
Garage door opener........................... 377
Gas station information ..................... 596
Gauges.......................................................148
Glove box ............................................... 356
Hands-free system 
(for cellular phone).......................... 306
Head restraints..........................................64
Headlight aim .......................................... 471
Headlight cleaner .................................. 165 Headlights
Adaptive front lighting system...... 159
Discharge headlights 
precautions........................................ 479
Replacing light bulbs ........................ 474
Switch........................................................ 158
Wattage ..................................................552
Heaters Seat heaters ......................................... 369
Side mirror.............................................240
Hill-start assist control ....................... 200
Hood ............................................................417
Hooks Cargo ......................................................375
Shopping bag ......................................375
Hybrid system ........................................... 22 Emergency shut off system.............. 27
Energy monitor/consumption 
screen...................................................... 27
High voltage components ............... 26
Power meter.......................................... 148
Power (ignition) switch .................... 138
Identification Engine..................................................... 545
Electric motor ..................................... 545
Vehicle ................................................... 545
Ignition switch Power switch......................................... 138
Illuminated entry system .................... 352
I/M test....................................................... 413
Immobilizer system ................................ 88
Indicator lights......................................... 152
Initialization Items to initialize .................................575
Inside rear view mirror .......................... 74
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588
Alphabetical index
GS_HV_U
December 12, 2007 3:50 pm
Instrument panel light control........... 149
Interior lightsInterior lights......................................... 353
Wattage.................................................. 552
Intuitive parking assist .......................... 180
Jack Positioning a floor jack..................... 418
Replacing the wheel........................... 517
Jack handle ............................................... 517
Keyless entry.............................................. 47
Keys If the electronic key does 
not operate properly ......................531
If you lose your keys.........................530
Key number plate ................................. 33
Keys ............................................................. 33
Mechanical key...................................... 33
Power (ignition) switch.................... 138
Wireless remote control key ...........47
Lexus Link System ................................387
Light bulbs Replacing ............................................... 474
Wattage.................................................. 552
Light sensitive optitron meter ........... 150
Lights Fog light switch ...................................... 161
Headlights switch ............................... 158
Interior lights list.................................. 352
Replacing light bulbs........................ 474
Turn signal lever ...................................146
Vanity lights .......................................... 363
Wattage.................................................. 552 Maintenance
Do-it-yourself maintenance........... 414
General maintenance....................... 410
Maintenance data ............................. 544
Maintenance requirements.......... 408
Meter Instrument panel light control ....... 149
Meters....................................................... 148
Micro dust and pollen filter .............. 236
Mirrors Inside rear view mirror ....................... 74
Side mirror heater............................. 240
Side mirrors.............................................. 75
Vanity mirrors ..................................... 363
Moon roof................................................... 80
MP3 disc.................................................. 262
Multi-information display ................... 155
Odometer ................................................ 148
Oil Engine oil................................................ 422
Opener Fuel filler door ........................................ 83
Hood ......................................................... 417
Trunk........................................................... 55
Outer foot lights.................................... 352
Outside rear view mirrors Adjusting and folding .......................... 75
Mirror position memory ................... 60
Outside temperature 
display .................................................... 365
Overhead console ...............................358
Overheating, Engine ..........................538
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589
Alphabetical index
GS_HV_U
December 12, 2007 3:50 pm
Parking brake .......................................... 147
Parking lightsReplacing light bulbs ........................474
Switch ....................................................... 158
Wattage ................................................. 552
Personal lights ....................................... 354
Power meter ............................................148
Power outlet ........................................... 368
Power windows......................................... 77
Pre-collision system ............................ 206
Radar cruise control ............................. 169
Radiator.................................................... 428
Radio ..........................................................244
Radio data system.................................246
Rear sunshade........................................372
Rear turn signal lights Replacing light bulbs ........................474
Wattage ................................................. 552
Rear view monitor system .................. 195
Rear window defogger ...................... 240
Replacing Electronic key battery ..................... 454
Fuses ........................................................ 456
Light bulbs .............................................474
Reporting safety defects for 
U.S. owners ......................................... 578
Seat belts Adjusting the seat belt ....................... 66
Automatic locking retractor............ 68
Child restraint system 
installation .............................................. 117
Cleaning and maintaining 
the seat belts..................................... 406 Emergency locking retractor..........68
How to wear your seat belt .............66
How your child should wear

the seat belt ..........................................69
Pre-collision seat belts .......................68
Pregnant women, 
proper seat belt use .........................68
Reminder light .....................................493
Seat belt extenders ..............................69
Seat belt pretensioners ...................... 67
Seat heaters/ventilators..................... 370
Seating capacity ....................................369
Seats Adjustment .............................................. 58
Adjustment precautions ....................59
Child seats/child restraint 
system installation.............................. 117
Cleaning ................................................ 405
Driver’s seat position memory .......60
Head restraint ......................................... 64
Properly sitting in the seat ................ 93
Seat heaters ......................................... 369
Service reminder indicators ............. 152
Shift lever If the shift lever cannot be 
shifted from P ...................................529
Transmission...........................................142
Shift lock system ....................................529
Shopping bag hooks............................ 375
Side airbags................................................ 95
Side marker lights Switch........................................................ 158
Side mirror Adjusting and folding.......................... 75
Mirror position memory ....................60P
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