2007 Lexus GS450h belt

476
5-2. Steps to take in an emergency
■Overheating
In the following situations, your vehicle may be overheating.
●The message “HYBRID SYSTEM OVERHEAT” is displayed on the multi-infor-
mation display.
●The engine coolant temperatur e gauge enters the red zone or a loss of power is
experienced.
●Steam is coming from under the hood.
CAUTION
■To prevent an accident or injury when in specting under the hood of your vehicle
●Keep hands and clothing away from the fan and engine drive belt while the hybrid
system is running.
●Do not loosen the radiator cap while the hybrid system and radiator are hot. 
Serious injury, such as burns, may resu lt from hot coolant and steam released
under pressure.
Add coolant if required.
Water can be used in an emer -
gency measure if coolant is
una
vailable. ( P. 4 8 4 )
Have the vehicle checked at your nearest Lexus dealer as soon as pos -
sible.
STEP6

482
6-1. Specifications
Engine
Fuel
Electric motor (Traction motor)
Hybrid battery (Traction battery)
Model2GR-FSE
Ty p e6-cylinder V type, 4-cycle, gasoline
Bore and stroke3.70  3.27 in. (94.0  83.0 mm)
Displacement210.9 cu.in. (3456 cm3)
Drive belt tensionAutomatic adjustment
Fuel typePremium unleaded gasoline only
Octane rating91 (Research octane number 96) or higher
Fuel tank capacity17.2 gal. (65 L, 14.3 lmp.gal)
Ty p ePermanent magnet synchronous motor
Maximum output147 kW
Maximum torque275 N•m (28.0 kgf•m, 202.8 ft•lbf)
Ty p eNickel-Metal hydride battery
Vo l t a g e7.2 V/module
Capacity6.5 Ah (3HR)
Quantity40 modules
Overall voltage288 V

495
6-1. Specifications
6
Vehicle specifications
Tire section names
Bead
Sidewall
Shoulder
Tread
Belt
Inner liner
Reinforcing rubber
Carcass
Rim lines
Bead wires
Chafer
Uniform Tire Quality Grading
This information has been prepared in accordance with regulations
issued by the National Highway Tr affic Safety Administration of the
U.S.A. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Lexus vehi -
cles with information on uniform tir
e quality grading.
Your Lexus dealer will help answer an y questions you may have as you read
this information.
■ DOT quality grades
All passenger vehicle tires must co nform to F
ederal Safety Require -
ments in addition to these grades. Quality gr
ades can be found where
applicable on the tire sidewall between tread shoulder and maximum
section width.
For example: Treadwear 200 Traction AA Temperature A

510
Alphabetical index
Alphabetical index
A/C (Air conditioning system) ..........191
ABS (Anti-lock Brake System) ........ 162
Active stabilizer suspension 
system...................................................... 162
Air conditioning system (A/C) Air conditioning filter ......................... 391
Automatic air conditioning 
system ..................................................... 191
Airbags Airbag operating conditions............. 71
Airbag precautions for your 
child.......................................................... 75
Airbag warning light .......................... 431
Curtain shield airbag 
precautions .......................................... 78
General airbag precautions ........... 75
Locations of airbags............................ 69
Modification and disposal of 
airbags .................................................... 79
Side airbag precautions .................... 75
Side and curtain shield airbags 
operating conditions ........................72
SRS airbags ............................................. 69
Alarm ............................................................ 64
Antenna .................................................... 209
Armrest ..................................................... 328
Ashtrays ..................................................... 321
Audio system Antenna .................................................. 209
Cassette player..................................... 212
CD player/changer ........................... 216
DVD information ............................... 252
DVD player/changer...................... 232
DVD video/audio ............................. 235
MP3/WMA disc ............................... 224
Optimal use.......................................... 256
Radio ........................................................ 203Steering switches ..............................
260
Video CD ............................................. 248
Automatic headlight leveling 
system ...................................................... 122
Automatic light control system........ 120
AVS (Adaptive Variable 
Suspension System) ............................ 161
BA (Brake Assist)................................... 162
Back-up lights Wattage ................................................. 488
Battery 12 volt battery ........................................ 371
Checking................................................. 371
Hybrid battery (Tra cti
on battery) ....5
If the 12 volt battery is 
discharged .......................................... 471
Preparing and checking  before winter...................................... 174
Bluetooth
®..............................................266
Brake Fluid .......................................................... 370
Parking brake........................................ 109
Care Exterior .................................................... 344
Interior..................................................... 346
Seat belts ................................................ 347
Cargo capacity........................................ 170
Cargo hooks .......................................... 332
CD player/changer............................. 232
Chains ......................................................... 176
Child-protectors....................................... 27
Child restraint system (CRS) Definition .................................................. 80
Installation ................................................ 83
A
B
C

511
Alphabetical index
Installing CRS with lower 
anchorages .......................................... 87
Installing CRS with seatbelts .......... 83
Installing CRS with top straps ........ 88
Child safety Airbag precautions .............................. 75
Child restraint system ........................ 80
Child-protectors.................................... 27
How your child should wear 
the seatbelt ........................................... 45
Installing child restraints .................... 83
Moon roof ................................................. 57
Power window lock switch .............. 52
Power window precautions............ 54
Removed electronic key battery 
precautions ....................................... 394
Seat belt comfort guide...................... 43
Seat belt precautions...........................46
Seat heater precautions ..... 324, 326
Trunk ............................................................ 33
Cigarette lighter .................................... 322
Cleaning Exterior ................................................... 344
Interior..................................................... 346
Seat belts ................................................ 347
Clock........................................................... 319
Coin holder .............................................. 314
Compass ................................................. 339
Condenser.............................................. 369
Console box ............................................. 312
Cooling system Engine overheating .......................... 475Cruise control
Cruise control........................................ 127
Dynamic radar cruise control....... 130
Cup holders ............................................. 315
Curtain shield airbags............................ 69
Customizable features ...................... 500
Daytime running light system ............. 121
Defogger Rear window ......................................... 199
Side mirror.............................................. 199
Dimension............................................... 480
Dinghy towing ......................................... 180
Display Energy flow ................................................. 6
Multi-informatio n display
..................117
Touch screen ........................................ 182
Trip information ..................................... 118
Warning message ............................. 436
Do-it-yourself maintenance ............. 355
Door courtesy lights ........................... 308
Door pocket............................................. 316
Doors
Door lock .................................................. 26
Rear door child protector ................ 27
Driver's seat belt reminder light ..... 433
Driving Correct posture..................................... 67
Procedures .............................................. 94
DVD player/changer.......................... 232
Electronic key Replacing battery ............................... 393
When the electronic key battery 
is discharged.................................... 469
D
E

512
Alphabetical index
Emergency, in case ofIf a warning light turns on .............. 430
If a warning message is 
displayed ............................................ 436
If the hybrid system will not 
start........................................................ 466
If the shift lever cannot be 
shifted from P ................................... 467
If the 12 volt battery is 
discharged ......................................... 471
If you have a flat tire ............ 455, 456
If you lose your keys......................... 468
If you think something is 
wrong ....................................................427
If your vehicle becomes stuck..... 478
If your vehicle needs to be 
towed ................................................... 420
If your vehicle overheats ................ 475
When the electronic key battery 
is discharged .................................... 469
Energy monitor............................................ 6
Engine Compartment ....................................... 361
Hood........................................................ 358
How to start the hybrid system
.....101
If the hybrid system will not 
start........................................................ 466
Overheating......................................... 475
Power switch .......................................... 101
Engine compartment cover ............. 362
Engine coolant temperature 
gauge.........................................................110
Engine/inverter coolant Capacity ................................................. 484
Checking ............................................... 368
Preparing and checking 
before winter ...................................... 174 Engine oil
Capacity ................................................ 483
Checking............................................... 363
Preparing and checking  before winter...................................... 174
Engine oil maintenance data ........... 366
EPS (Electric Power Steering) ......... 162
Event data recorder ............................ 428
First-aid kit storage belt ..................... 332
Floor mats .................................................. 331
Fluid Brake ....................................................... 370
Washer.................................................... 374
Fog lights Switch ........................................................ 123
Wattage ................................................. 488
Foot light .................................................. 308
Front passenger's seat
belt 
reminder light ..................................... 433
Front seats Adjustment ............................................... 34
Driving position memory .................. 36
Front turn signal lights Wattage ................................................. 488
Fuel Capacity ................................................ 482
Fuel gauge ................................................ 110
Gas station information ................. 520
Information ........................................... 489
Refueling ................................................... 58
Messages .............................................. 450
Fuel filler door ........................................... 58
Fuses .......................................................... 395
F

514
Alphabetical index
Turn signal lever ..................................108
Vanity lights ........................................... 318
Wattage................................................. 488
Maintenance Do-it-yourself maintenance ......... 355
General maintenance ....................... 351
Maintenance data............................. 480
Maintenance requirements .......... 349
Meter Instrument panel light control .......... 111
Meters ........................................................ 110
Micro dust and pollen removal 
mode ........................................................ 194
Mirrors Inside rear view mirror....................... 49
Side mirror heater ............................... 199
Side mirrors ............................................. 50
Vanity mirrors....................................... 318
Moon roof ................................................... 55
MP3 disc ..
.................................................... 224
Multi-information display ........
................117
Odometer................................................... 110
Oil Engine oil ............................................... 363
Opener Fuel filler door......................................... 58
Hood........................................................ 358
Trunk ........................................................... 30
Outside rear view mirrors Adjusting and folding ......................... 50
Driving position memory.................. 36
Outside temperature display........... 320
Overhead console ................................ 313
Overheating, Engine .......
......................475 Parking brake..........................................
109
Parking lights Replacing light bulbs ......................... 413
Switch ........................................................ 120
Wattage ................................................. 488
PCS (Pre-Collision System) .............. 163
Personal lights........................................ 309
Power meter.............................................. 110
Power outlet ........................................... 323
Power windows ........................................ 52
Radar cruise control............................. 130
Radiator .................................................... 369
Radio .........
..................................................... 203
RDS (Radio Date System) ................ 205
Rear sunshade ....................................... 329
Rear turn signal lights Replacing light bulbs ......................... 413
Wattage ................................................. 488
Rear view monitor system ................. 158
Rear window defogger ........................ 199
Replacing Electronic key battery ..................... 393
Fuses ........................................................ 395
Light bulbs .............................................. 413
Reporting safety defects for 
U.S.A. owners .....................................508
Seat belts Adjusting the seat belt ........................ 43
Automatic Locking Retractor 
(ALR) ....................................................... 44
Child restraint system 
installation ............................................. 83
Cleaning and maintaining 
the seat belts .....................................347
M
O
P
R
S

515
Alphabetical index
Emergency Locking Retractor 
(ELR) ........................................................44
How to wear your seat belt.............. 42
How your child should wear 
the seat belt.......................................... 45
Pre-collision seat belts........................ 44
Pregnant women, 
proper seat belt use..........................44
Reminder light..................................... 433
Seat belt extenders .............................. 45
Seat belt pretensioners....................... 43
Seat heaters................................. 324, 326
Seat ventilators....................................... 326
Seating capacity ..................................... 173
Seats Child seats/child restraint 
system installation ............................. 83
Cleaning ................................................ 346
Driving position memory ................. 36
Head restraint ........................................ 39
Properly sitting in the seat................. 67
Seat adjustment ...................................... 34
Seat adjustment precautions ........... 34
Seat heaters.............................. 324, 326
Ventilated seats .................................. 326
Service reminder indicators .............. 115
Shift lever If the shift lever cannot be 
shifted from P ................................... 467
Transmission .......................................... 104
Shift lock system .................................... 467
Shopping bag hooks ........................... 332
Side airbags ................................................ 69
Side marker lights Switch ........................................................ 120
Side mirror Adjusting and folding ......................... 50Driving position memory ..................
36
Smart access system with 
push-button start Antenna location ..................................... 16
Entry function ............................................ 14
Starting the hybrid system ................ 101
Spare tire Inflation pressure ................................ 487
Spare tire ................................................ 457
Spark plug................................................ 484
Specifications ........................................ 480
Speedometer ............................................ 110
Steering wheel Adjustment ............................................... 48
Audio switches................................... 260
Driving position memory .................. 36
Storage compartment ......................... 314
Storage feature......................................... 311
Stuck If your vehicle becomes stuck ..... 478
Sun visors ................................................... 317
Switch Fog light switch ..................................... 123
Light switches ....................................... 120
Mode select switch ............................ 105
Power door lock switch .................... 26
Power switch........................................... 101
Power window switch ........................ 52
Window lock switch............................ 52
Wipers and washer switch ............. 124
Tail lights Switch........................................................ 120
Theft deterrent system Alarm........................................................... 64
T