2008 Lexus GS350 battery capacity

71
1-5. Refueling
1
Before driving
GS_G_U
May 13, 2008 5:14 pm
Closing the fuel tank capAfter refueling, turn the fuel tank
cap clockwise until you hear a
click. The cap will revolve slightly in
the opposite direction once
released.
■Fuel types
Use premium unleaded gasoline. (91 Octane Rating [Research Octane Number
96] or higher)
■Fuel tank capacity
Approximately 18.7 gal. (71 L, 15.6 lmp.gal.)
■When the fuel filler door opener switch is inoperable
The lever can be used to open the fuel filler
door if the fuel filler door cannot be opened
using the inside switch because the 12 volt
battery is discharged or for any other reason.

547
6-1. Specifications
6
Vehicle specifications
GS_G_U
May 13, 2008 5:14 pm
Electrical system
Differential
Rear differential: “Toyota Genuine Diff erential Gear Oil” is filled in your
Lexus vehicle at factory fill. Use Lexu s approved “Toyota Genuine Differen-
tial Gear Oil” or an equivalent of matching quality to satisfy the above spec-
ification. Please contact 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 engine and all lights are turned off.)
Charging rates5A max.
GS460/
GS350 (2WD)GS350 (4WD)
FrontRear
Oil capacity1.42 qt.
(1.35 L, 1.19 Imp.qt.)0.73 qt.
(0.70 L, 0.61 Imp.qt.)1.42 qt.
(1.35 L, 1.19 Imp.qt.)
Oil type and
viscosity
Toyota Genuine Dif-
ferential Gear Oil LT
75W-85 GL-5 or
equivalent
Hypoid gear oil API
GL-5
Above 0°F (-18°C):
SAE 90
Below 0°F (-18°C):
SAE 80W or SAE
80W-90
Toyota Genuine Dif-
ferential Gear Oil LT
75W-85 GL-5 or
equivalent

563
6-1. Specifications
6
Vehicle specifications
GS_G_U
May 13, 2008 5:14 pm
Tire related termMeaning
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, 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

585
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
BrakeFluid ............................................................ 416
Parking brake ..........................................131
Brake assist ............................................... 184
Care Exterior ...................................................388
Interior....................................................... 391
Seat belts ............................................... 392
Cargo capacity ....................................... 194
Cargo hooks .......................................... 360
CD player/changer .............................242
Chains....................................................... 200
Child-protectors ..................................... 38
Child restraint system Definition................................................... 98
Installation................................................ 102
Installing CRS with lower 
anchors .................................................106
Installing CRS with seatbelts .........103
Installing CRS with top straps ....... 107
Child safety Airbag precautions ............................. 87
Battery precautions ................ 419, 532
Child restraint system ........................ 98
Child-protectors................................... 38
How your child should wear 
the seatbelt ........................................... 56
Installing child restraints ................... 102
Moon roof precautions ..................... 69
Power window lock switch ..............64
Power window precautions.............64
Removed electronic key battery 
precautions ......................................... 441
Seat belt comfort guide..................... 54
Seat belt precautions...........................57 Seat heater precautions................ 355
Trunk precautions................................. 44
Cigarette lighter....................................352
Cleaning Exterior................................................... 388
Interior ...................................................... 391
Seat belts ................................................392
Clock ......................................................... 349
Coin holder .............................................345
Compass ..................................................369
Condenser ............................................... 415
Console box ........................................... 342
Cooling system Engine overheating.......................... 533
Cruise control Cruise control....................................... 150
Dynamic radar cruise control....... 153
Cup holders ............................................345
Curtain shield airbags........................... 80
Customizable features .......................569
Daytime running light system ........... 143
Defogger Rear window ........................................ 225
Side mirror............................................. 225
Dimension................................................540
Dinghy towing ........................................205
Display Multi-information display ................ 139
Touch screen ...................................... 208
Trip information ................................... 140
Warning message ............................. 497
Do-it-yourself maintenance ............ 400
Door courtesy lights ............................ 337
Door pocket............................................ 346
C
D

586
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
DoorsDoor lock................................. 22, 34, 37
Rear door child protector ................ 38
Driver’s seat belt reminder light .....490
Driver’s seat position memory ........... 47
Driving Correct posture .................................... 78
Procedures ...............................................112
DVD player/changer........................... 251
Electric power steering ....................... 184
Electronic key If the electronic key does 
not operate properly .................... 526
Replacing battery .............................. 440
Emergency, in case of If a warning light turns on ............. 488
If a warning message is 
displayed ............................................ 497
If the electronic key does 
not operate properly .................... 526
If the engine will not 
start........................................................ 523
If the shift lever cannot be  shifted from “P”................................ 524
If the 12 volt battery is 
discharged ....................................... 529
If you have a flat tire ............... 512, 522
If you lose your keys......................... 525
If you think something is 
wrong ................................................... 484
If your vehicle becomes stuck.....536
If your vehicle needs to be 
towed ................................................... 478
If your vehicle overheats ................ 533 Engine
ACCESSORY mode........................122
Compartment ..................................... 406
Engine (ignition) switch...................... 121
Hood ....................................................... 403
How to start the engine ..................... 121
If the engine will not start ............... 523
Overheating ........................................ 533
Engine compartment cover .............408
Engine coolant temperature 
gauge .......................................................132
Engine coolant Capacity ................................................ 546
Checking................................................. 414
Preparing and checking 
before winter...................................... 199
Engine oil Capacity ................................................ 544
Checking............................................... 409
Preparing and checking 
before winter...................................... 199
Engine oil maintenance data .............412
Engine (ignition) switch......................... 121
Event data recorder ............................ 486
First-aid kit storage belt ..................... 360
Floor mats ................................................ 359
Fluid Brake ......................................................... 416
Washer................................................... 420
Fog lights Switch ........................................................ 145
Wattage ................................................. 552
Foot light .................................................. 337
E
F

589
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
Parking brake ........................................... 131
Parking lightsReplacing light bulbs ....................... 470
Switch ........................................................ 142
Wattage ................................................. 552
Personal lights ....................................... 339
Power outlet ........................................... 353
Power windows.........................................64
Pre-collision system ..............................190
Radar cruise control ............................. 153
Radiator...................................................... 415
Radio ..........................................................229
Radio data system.................................. 231
Rear sunshade........................................357
Rear turn signal lights Replacing light bulbs ....................... 470
Wattage ................................................. 552
Rear view monitor system .................. 179
Rear window defogger .......................225
Replacing Electronic key battery ..................... 440
Fuses .........................................................442
Light bulbs ............................................ 470
Reporting safety defects for 
U.S. owners ......................................... 578
Seat belts Adjusting the seat belt ....................... 53
Automatic locking retractor............ 55
Child restraint system 
installation ............................................ 102
Cleaning and maintaining 
the seat belts..................................... 392
Emergency locking retractor ......... 55
How to wear your seat belt............. 53 How your child should wear

the seat belt ..........................................56
Pre-collision seat belts .......................55
Pregnant women, 
proper seat belt use .........................55
Reminder light .................................... 490
Seat belt extenders ..............................56
Seat belt pretensioners ...................... 54
Seat heaters/ventilators.....................355
Seating capacity ..................................... 198
Seats Adjustment ............................................... 45
Adjustment precautions .................... 46
Child seats/child restraint 
system installation............................ 102
Cleaning .................................................. 391
Driver’s seat position memory ....... 47
Head restraint ...........................................51
Properly sitting in the seat ................ 78
Seat heaters ..........................................354
Service reminder indicators ............. 136
Shift lever Automatic transmission ................... 125
If the shift lever cannot be 
shifted from “P” ................................524
Shift lock system .................................... 524
Shopping bag hooks............................360
Side airbags............................................... 80
Side marker lights Switch.........................................................142
Side mirror Adjusting and folding.......................... 62
Mirror position memory .................... 47P
R
S

592
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
WasherChecking ............................................... 420
Preparing and checking before winter ......................................199
Switch ........................................................146
Washing and waxing .......................... 388
Weight Cargo capacity.....................................194
Load limits .............................................. 198
Weight ....................................................540
Wheels ......................................................435
Window glasses ...................................... 37
Window lock switch ............................... 37
Windows Power windows..................................... 64
Rear window defogger .................. 225
Washer .....................................................146
Windshield wipers Position .....................................................201
Windshield wipers ..............................146
Winter driving tips ................................. 199
Wireless remote control key Locking/Unlocking ............................. 34
Replacing the battery ...................... 440
WMA disc ............................................... 247