2008 Lexus GS450h lights

536
5-2. Steps to take in an emergency
GS_HV_U
December 12, 2007 3:50 pm
■Starting the hybrid system when the 12 volt battery is discharged
The hybrid system cannot be started by push-starting.
■To prevent 12 volt battery discharge
●Turn off the headlights and the audio system while the hybrid system 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 12 volt battery is removed or discharged
The hybrid system may not start. ( P. 4 3 1 )
Also, the following systems must be initialized.
●Tire pressure warning system (P. 4 3 6 )
●Intuitive parking assist (P. 5 1 2 )
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any pa rt other than the intended terminal.
●Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
●Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.

549
6-1. Specifications
6
Vehicle specifications
GS_HV_U
December 12, 2007 3:50 pm
Electrical system
Differential
“Toyota Genuine Differential Gear Oil” is filled in your Lexus vehicle at fac-
tory fill. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an
equivalent of matching quality to sati sfy the above specification. Please con-
tact your Lexus dealer for further details.
12 volt battery
Open voltage at
68 F (20 C):12.6  12.8V Fully charged 
12.2  12.4V Half charged
11.8  12.0V Discharged 
(Voltage is checked 20 minutes after the
hybrid system and all lights are turned off.)
Charging rates5A max.
Oil capacity1.42 qt. (1.35 L, 1.19 lmp.qt.)
Oil type and
viscosityToyota Genuine Differential Gear Oil LT
75W-85 GL-5 or equivalent

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

572
6-2. Customization
GS_HV_U
December 12, 2007 3:50 pm
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustomizedsetting
Moon roof 
(
P. 8 0 )
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
Linked entry functionONOFF
Automatic
light control
system 
(
P. 1 5 8 )
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
30 seconds
0 seconds
60 seconds
90 seconds
Daytime running lightONOFF*

573
6-2. Customization
6
Vehicle specifications
GS_HV_U
December 12, 2007 3:50 pm
ItemFunctionDefault settingCustomizedsetting
Windshield
wipers and
washer 
(
P. 1 6 2 )
Switching operation when
the vehicle is stationaryONOFF
Drip prevention functionONOFF
Time elapsed before the
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds
Illumination 
(
P. 3 5 2 )
Time elapsed before lights
turn off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlockedONOFF
Operation after the
“POWER” switch turned
OFF
ONOFF
Front/rear personal lights
turned on when a door is
openedCorresponding light onlyAll lights
OFF
Foot lights ONOFF
Shift lever lightONOFF
Outer foot lightONOFF
Rear sunshade 
(
P. 3 7 2 )
Time elapsed before the
reverse operation feature
activates
0.7 seconds
0 seconds
0.9 seconds
1.2 seconds

584
GS_HV_U
December 12, 2007 3:50 pm
Alphabetical index
Alphabetical index
A/C ............................................................ 232
ABS............................................................ 200
ACCESSORY mode .......................... 139
Active stabilizer suspension 
system.................................................... 200
Adaptive variable 
suspension system ............................. 199
Air conditioning system Air conditioning filter .........................451
Automatic air conditioning 
system .................................................. 232
Airbags Airbag operating conditions........... 98
Airbag precautions for 
your child..............................................102
Airbag warning light ........................ 492
Curtain shield airbag 
precautions ........................................ 105
General airbag precautions ..........102
Locations of airbags............................ 95
Modification and disposal of 
airbags .................................................. 106
Proper driving posture ...................... 93
Side airbag precautions ...................102
Side and curtain shield airbags 
operating conditions ....................... 98
SRS airbags ............................................. 95
Alarm ............................................................90
Antenna ....................................................250
Anti-lock brake system ..................... 200
Armrest ...................................................... 371
Ashtrays ....................................................366 Audio system
Antenna.................................................. 250
AUX adapter ...................................... 302
Cassette player .................................. 253
CD player/changer ..........................257
DVD information .............................. 285
DVD player/changer ..................... 266
DVD video/audio............................. 269
MP3/WMA disc................................262
Optimal use .......................................... 297
Radio ........................................................244
Steering switches .............................. 303
Video CD ............................................... 281
Automatic headlight leveling 
system ..................................................... 160
Automatic light control system........ 158
AUX adapter ......................................... 302
Back-up lights Wattage ................................................. 552
Battery 12 volt battery ...................................... 430
Checking............................................... 430
Hybrid battery 
(Traction battery)............................... 26
If the 12 volt battery is 
discharged ........................................ 534
Preparing and checking 
before winter...................................... 215
Bluetooth
®................................................. 311
Brake Fluid ...........................................................429
Parking brake........................................ 147
Brake assist .............................................200
A
B

585
Alphabetical index
GS_HV_U
December 12, 2007 3:50 pm
CareExterior ................................................... 402
Interior..................................................... 405
Seat belts ............................................... 406
Cargo capacity ....................................... 210
Cargo hooks ...........................................375
CD player/changer .............................257
Chains......................................................... 216
Child-protectors ....................................... 51
Child restraint system Definition....................................................113
Installation.................................................. 117
Installing CRS with lower 
anchors ................................................... 121
Installing CRS with seatbelts .......... 118
Installing CRS with top straps ....... 123
Child safety Airbag precautions ............................ 102
Battery precautions .............. 432, 537
Child restraint system .........................113
Child-protectors..................................... 51
How your child should wear 
the seatbelt ........................................... 69
Installing child restraints ..................... 117
Moon roof precautions ..................... 82
Power window lock switch .............. 77
Power window precautions.............79
Removed electronic key battery 
precautions ....................................... 455
Seat belt comfort guide......................67
Seat belt precautions.......................... 70
Seat heater precautions ................ 370
Trunk precautions .................................57
Cigarette lighter ....................................367 Cleaning
Exterior....................................................402
Interior .................................................... 405
Seat belts ............................................... 406
Clock ......................................................... 364
Coin holder .............................................360
Compass ................................................. 383
Condenser ..............................................428
Console box ........................................... 357
Cooling system Engine overheating.......................... 538
Cruise control Cruise control....................................... 166
Dynamic radar cruise control....... 169
Cup holders ............................................360
Curtain shield airbags............................ 95
Customizable features .......................569
Daytime running light system ........... 159
Defogger Rear window ........................................240
Side mirror.............................................240
Dimension................................................ 544
Dinghy towing ..........................................221
Display Energy flow .............................................. 27
Multi-information display ................ 155
Touch screen ....................................... 224
Trip information ................................... 156
Warning message ............................ 500
Do-it-yourself maintenance .............. 414
Door courtesy lights ............................352
Door pocket............................................. 361C
D

586
Alphabetical index
GS_HV_U
December 12, 2007 3:50 pm
DoorsDoor lock................................ 35, 47, 50
Rear door child protector .................. 51
Driver’s seat belt reminder light .....493
Driver’s seat position memory ...........60
Driving Correct posture .................................... 93
Procedures .............................................128
DVD player/changer.......................... 266
Electric power steering ..................... 200
Electronic key If the electronic key does 
not operate properly ......................531
Replacing battery .............................. 454
Emergency, in case of If a warning light turns on ................491
If a warning message is displayed ........................................... 500
If the electronic key does 
not operate properly ......................531
If the hybrid system 
will not start .......................................528
If the shift lever cannot be  shifted from “P”................................ 529
If the 12 volt battery is 
discharged ....................................... 534
If you have a flat tire ............... 517, 527
If you lose your keys.........................530
If you think something is 
wrong .................................................. 488
If your vehicle becomes stuck.......541
If your vehicle needs to be 
towed ................................................... 482
If your vehicle overheats ................538
Energy monitor......................................... 27 Engine
ACCESSORY mode .....................139
Compartment ..................................... 420
Hood ......................................................... 417
How to start the 
hybrid system..................................... 138
If the hybrid system 
will not start ....................................... 528
Overheating ........................................ 538
Power (ignition) switch .................... 138
Engine compartment cover ............... 421
Engine coolant temperature 
gauge ...................................................... 148
Engine/power control unit coolant Capacity ................................................ 548
Checking................................................ 427
Preparing and checking 
before winter...................................... 215
Engine oil Capacity .................................................547
Checking................................................ 422
Preparing and checking 
before winter...................................... 215
Engine oil maintenance data ........... 425
Event data recorder ............................ 489
First-aid kit storage belt ..................... 375
Floor mats ................................................ 374
Fluid Brake ........................................................429
Washer....................................................434
Fog lights Switch .......................................................... 161
Wattage ................................................. 552
Foot light .................................................. 352
E
F