2008 Lexus IS F battery

390
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0711)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine 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 battery is removed or discharged
The power windows must be initialized.
(→ P. 6 2 )
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors with the “ENGINE START
STOP” switch OFF.
Maintain the engine speed of the second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer
as soon as possible.STEP2
STEP3
STEP4
STEP5

5
When trouble arises
391
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0711)
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 part 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.
■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.
●In the event that battery fluid comes into contact with the skin or eyes, immedi-
ately 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.

404
6-1. Specifications
08_IS F_U_(L/O_0711)
Electrical system
Differential
*: “Toyota Genuine Differential Gear Oil” is filled in your Lexus vehicle at factory
fill. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equiva-
lent of matching quality to satisfy the above specification. Please contact your
Lexus dealer for further details.
Battery
Open voltage* at
68 °F (20 °C):12.6  12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(*: Voltage checked 20 minutes after
the engine and all the lights are turned
off)
Charging rates5 A max.
Oil capacity1.42 qt. (1.35 L, 1.19 lmp.qt.)
Oil type and viscosity*“Toyota Genuine Differential Gear Oil
LT 75W-85 GL-5” or equivalent

418
6-1. Specifications
08_IS F_U_(L/O_0711)
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
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer's designation for a rim by
style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68
kg) times the vehicle's designated seating capacity
Tire related termMeaning

429
6
Vehicle specifications
08_IS F_U_(L/O_0711)
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Po w e r w i n d o wAfter reconnecting or changing the
batteryP. 6 2
Engine oil maintenance
dataAfter changing engine oilP. 2 8 4
Tire pressure warning
systemWhen changing the tire inflation pres-
sure by changing traveling speedP. 2 9 6
The following item must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.

439
Alphabetical index
08_IS F_U_(L/O_0711)
Back-up lightsWattage .................................................408
Battery Checking ................................................292
If the vehicle has discharged battery.................................................. 389
Preparing and checking before winter ..................................... 180
Bottle holders .........................................232
Brake Fluid .......................................................... 290
Parking brake ........................................ 127
Brake assist ............................................... 166
Care Exterior ................................................... 264
Interior......................................................267
Seat belts ............................................... 268
Cargo capacity ....................................... 176
Cargo hooks ............................................ 251
CD changer ........................................... 205
CD player................................................ 205
Chains........................................................ 180 Child restraint system
Booster seats, definition ....................93
Booster seats, installation ................. 97
Convertible seats, definition ............ 93
Convertible seats, installation ......... 97
Front passenger occupant
classification system ........................ 88
Infant seats, definition .......................... 93
Infant seats, installation ....................... 97
Installing CRS with lower
anchorages......................................... 100
Installing CRS with seat belts .......... 97
Installing CRS with top straps......... 101
Child safety
Airbag precautions ..............................83
Battery precautions ............... 293, 391
Child restraint system ......................... 93
Child-protectors ...................................38
How your child should wear the seat belt .......................................... 54
Installing child restraints.....................96
Moon roof precautions......................66
Power window lock switch .............. 62
Power window precautions ............ 63
Removed electronic key battery precautions..........................................317
Seat belt comfort guide ..................... 52
Seat belt extender precautions......56
Seat belt precautions ..........................55
Seat heater precautions......243, 245
Trunk precautions................................. 43B
C

441
Alphabetical index
08_IS F_U_(L/O_0711)
Electric power steering ....................... 166
Electronic keyIf the electronic key does not operate properly ............................ 386
Emergency, in case of If the engine will not start ............... 383
If the shift lever cannot be shifted from P ................................... 384
If the vehicle has discharged battery.................................................. 389
If the warning buzzer sounds......350
If the warning light turns on ..........350
If the warning message is displayed ............................................360
If you have a flat tire .........................374
If you lose your keys ........................385
If you think something is wrong................................................... 346
If the electronic key does not operate properly ............................ 386
If your vehicle becomes stuck .... 395
If your vehicle needs to be towed ................................................... 340
If your vehicle overheats................ 392 Engine
ACCESSORY mode......................... 114
Compartment......................................282
Engine switch .......................................... 114
Hood ........................................................ 279
How to start the engine ..................... 114
Identification number ...................... 399
If the engine will not start............... 383
Ignition switch ......................................... 114
Overheating .........................................392
Engine compartment cover .............283
Engine coolant Capacity ................................................ 403
Checking .............................................. 288
Preparing and checking before winter .....................................180
Engine coolant temperature gauge....................................................... 128
Engine immobilizer system.................. 70
Engine oil Capacity .................................................402
Checking ...............................................284
Preparing and checking before winter .....................................180
Engine oil maintenance data............286
EPS .............................................................. 166
Event data recorder ............................348E

444
Alphabetical index
08_IS F_U_(L/O_0711)
Odometer................................................. 128
OilEngine oil ............................................... 284
Opener
Fuel filler door......................................... 67
Hood........................................................ 279
Trunk ............................................................. 41
Outer foot lights
Outer foot lights ................................. 223
Wattage................................................. 408
Outside rear view mirrors Adjusting and folding ......................... 60
Mirror position memory ................... 45
Outside temperature display............ 136
Overhead console ............................... 229
Overhead courtesy lights
Overhead courtesy lights ............. 223
Wattage................................................. 408
Overheating, Engine ........................... 392
Parking assist sensors .......................... 160
Parking brake ...........................................127
Parking lights Replacing light bulbs........................ 334
Switch ........................................................139
Wattage................................................. 408
PCS ............................................................. 173
Personal lights Switch ...................................................... 225
Power outlet............................................. 241
Power windows ........................................ 62
Pre-collision system.............................. 173 Radar cruise control............................. 150
Radiator .................................................... 290
Radio........................................................... 198
RDS ..............................................................199
Rear turn signal lights
Replacing light bulbs ....................... 334
Wattage ................................................. 408
Rear view mirror
Compass ............................................... 259
Rear window defogger ........................194
Replacing Electronic key battery ....................... 316
Fuses.......................................................... 318
Light bulbs ............................................ 334
Reporting safety defects for U.S. owners.......................................... 432
Seat belts Adjusting the seat belt ........................ 52
Automatic locking retractor ............53
Child restraint system installation ..............................................96
Cleaning and maintaining the seat belts .................................... 268
Emergency locking retractor..........53
How to wear your seat belt .............. 51
How your child should wear the seat belt...........................................54
Pregnant women, proper seat belt use .........................53
Reminder light..................................... 353
Seat belt extenders...............................54
Seat belt pretensioners ......................52O
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