battery Lexus GS450h 2008 Using the audio system / LEXUS 2008 GS450H (OM30A96U) Repair Manual

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.

5
When trouble arises
537
5-2. Steps to take in an emergency
GS_HV_U
December 12, 2007 3:50 pm
CAUTION
■Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while related parts
contain lead and lead compounds. Observe the following precautions when han-
dling the battery:
●When working with the battery, always wear safety glasses and take care not to
allow any battery fluids (acid) to come into contact with skin, clothing or the vehi-
cle body.
●Do not lean over the battery.
●If the battery fluid comes into contact with the skin or eyes, immediately wash the
affected area with water and seek medical attention. 
Place a wet sponge or cloth over the affected area until medical attention can be
received.
●Always wash your hands after handling the battery support, terminals, and other
battery-related parts.
●Do not allow children near the battery.
NOTICE
■When handling jumper cables
Be careful that the jumper cables do not become tangled in the cooling fan or any
of the belts when connecting or disconnecting them.

546
6-1. Specifications
GS_HV_U
December 12, 2007 3:50 pm
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

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

563
6-1. Specifications
6
Vehicle specifications
GS_HV_U
December 12, 2007 3:50 pm
Tire related termMeaning
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of transmission, power
steering, power brakes, power windows, power seats,
radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of: 
(a) Curb weight 
(b) Accessory weight 
(c) Vehicle capacity weight 
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1* below
Production options
weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter 
(Wheel diameter)Nominal diameter of the bead seat

575
6
Vehicle specifications
GS_HV_U
December 12, 2007 3:50 pm
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Intuitive parking assist
• After reconnecting or changing the battery
• After changing a fuse
P. 5 1 2
Engine oil maintenance
data• After changing engine oilP. 4 2 5
Tire pressure warning
system
• When rotating the tires on vehicles differing with front and rear tire infla-
tion pressures.
• When changing the tire inflation pressure by changing traveling speed
or load weight, etc.
• When changing the tire size.
P. 4 3 7
After reconnecting or performing main tenance on the 12 volt battery, the
hybrid system may not start. ( P. 431) Also, the following items must be
initialized for normal system operation.

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

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
R
S