2011 Lexus IS F battery

5
When trouble arises
493
5-2. Steps to take in an emergency
■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.
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 do ors with the “ENGINE START
STOP” switch OFF.
Maintain the engine speed of th e second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the ve hicle checked at your Lexus dealer
as soon as possible.STEP2
STEP3
STEP4
STEP5

494
5-2. Steps to take in an emergency
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.
■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 we ar 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 connectin g or disconnecting them.

508
6-1. Specifications
Ignition system
Electrical system
Differential
*: “Toyota Genuine Differential Gear Oil” is put in your Lexus vehicle at the fac-tory. Use Lexus approved “T oyota Genuine Differential Gear Oil” or an equiv-
alent of matching quality to satisfy the above specification. Please contact your
Lexus dealer for further details.
Spark plug
Make
GapDENSO FK20HBR11
0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning the engine.
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 Imp. qt.)
Oil type and viscosity*“Toyota Genuine Differential Gear Oil
LX 75W-85 GL-5” or equivalent

522
6-1. Specifications
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

533
6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Pow e r w i n d owAfter reconnecting or changing the
batteryP. 7 3
Engine oil maintenance
data (U.S.A. only)After changing engine oilP. 3 8 6
Tire pressure warning
systemWhen changing the tire inflation pres-
sure by changing traveling speedP. 3 9 7
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.

553
Alphabetical index
Automatic transmissionAutomatic transmission.................... 134
If the shift lever cannot be shifted from P ................................... 487
M mode.................................................... 139
AUX port ................................................ 265
Auxiliary box .......................................... 328
Back-up lights Wattage ................................................... 512
Battery Checking ............................................... 393
If the vehicle has a discharged battery.................................................. 492
Preparing and checking before winter .................................... 204
Bluetooth
® audio..................................270
Bluetooth® phone ............................... 288
Bottle holders ........................................ 328
Brake Fluid ............................................................ 391
Parking brake ........................................ 144
Brake assist ............................................... 187 Care
Exterior................................................... 366
Interior .................................................... 369
Seat belts ................................................370
Cargo capacity ..................................... 200
Cargo hooks...........................................345
CD changer ............................................. 231
CD player ................................................. 231
Chains .......................................................204
Child restraint system Booster seats, definition ..................108
Booster seats, installation ................. 114
Convertible seats, definition ..........108
Convertible seats, installation ......... 114
Front passenger occupant classification system ....................... 103
Infant seats, definition ........................108
Infant seats, installation ....................... 114
Installing CRS with lower anchorages........................................... 113
Installing CRS with seat belts .......... 114
Installing CRS with top straps......... 118
B
C

554
Alphabetical index
Child safetyAirbag precautions.............................. 98
Battery precautions ..............395, 494
Child restraint system....................... 108
Child-protectors ................................... 43
How your child should wear the seat belt .......................................... 63
Installing child restraints .....................112
Moon roof precautions ..................... 79
Power window lock switch...............73
Power window precautions ............ 75
Removed electron ic key battery
precautions ........................................ 418
Seat belt comfort guide ....................... 61
Seat belt extender precautions ..... 65
Seat belt precautions .......................... 64
Seat heater precautions ................. 339
Trunk precautions ................................ 48
Child-protectors ...................................... 43
Cigarette lighter....................................336
Cleaning Exterior ...................................................366
Interior .....................................................369
Seat belts................................................ 370
Clock .......................................................... 331 Coat hooks.............................................. 343
Compass .................................................. 354
Condenser ................................................391
Console box ........................................... 324
Cooling system
Engine overheating .......................... 495
Cornering assist sensors ...................... 181
Cruise control Cruise control ....................................... 166
Dynamic radar cruise control ....... 169
Cup holders ............................................ 326
Curtain shield airbags .............................91
Customizable features ....................... 528
Daytime running light system ........... 159
Defogger Rear window ......................................... 218
Side mirrors............................................ 218
Dimension ............................................... 502
Dinghy towing........................................ 207
Display Dynamic radar cruise control ....... 169
Satellite switch mode........................332
Trip information.................................... 154
Warning message ............................ 463
D

555
Alphabetical index
Do-it-yourself maintenance............. 378
Door courtesy lightsDoor courtesy lights .......................... 319
Wattage ................................................... 512
Door pockets ......................................... 328
Doors Door lock ................................ 28, 39, 42
Door windows ........................................ 73
Side mirrors................................................71
Driver's seat belt reminder light .... 456
Driving Correct posture .................................... 89
Procedures ............................................. 122
Driving position memory ....................... 51
Electric power steering ....................... 187
Electronic key If the electronic key does not operate properly ............................ 489
Emergency flashers Switch .......................................................442 Emergency, in case of
If the engine will not start............... 486
If the shift lever cannot be shifted from P ...................................487
If the vehicle has a discharged battery .................................................. 492
If the warning buzzer sounds ......453
If the warning light turns on...........453
If a warning message is displayed.............................................463
If you have a flat tire ......................... 477
If you lose your keys ........................ 488
If you think something is wrong ...................................................449
If the electronic key does not operate properly ........................... 489
If your vehicle becomes stuck .... 498
If your vehicle has to be stopped in an emergency ......... 499
If your vehicle needs to be towed....................................................443
If your vehicle overheats ............... 495
E