2011 Lexus IS F key battery

476
5-2. Steps to take in an emergency
*: If the engine does not start when the electronic key is inside the vehicle, theelectronic key battery may be depleted or there may be difficulties receiving the
signal from the key. ( P. 3 2 )
OnceIndicates that the
electronic key
does not operate
properly.
P. 4 9 0
Once
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

5
When trouble arises
489
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors, unlocking the trunk and key linked functions
Doors
Remove the cover on the driver’s
door handle using the mechanical
key (P. 25) in order to perform
the following operations.
Locks all doors
Closes the windows/moon roof
(turn and hold)
Unlocks the door
Turning the key rearward unlocks
the driver's door. Turning the key
once again unlocks the other
doors.
Opens the windows/moon roof
(turn and hold)
Return the cover to the original
position after use.
If communication between the electron ic key and vehicle is interrupted
(  P. 32) or the electronic key cann ot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In su ch cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.

5
When trouble arises
491
5-2. Steps to take in an emergency
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding, release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. ( P. 130)
To start the engine: Press th e “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes.
(  P. 4 1 7 )
STEP3

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

560
Alphabetical index
Radar cruise control ............................. 169
Radiator ..................................................... 391
Radio .......................................................... 223
RDS ............................................................ 225
Rear turn signal lightsReplacing light bulbs........................ 435
Wattage....................................................512
Rear view mirror Compass ............................................... 354
Rear window defogger........................ 218
Replacing Electronic key battery........................ 417
Fuses ..........................................................419
Light bulbs............................................. 435
Reporting safety defects for U.S. owners ..........................................536
Safety connect ...................................... 358
Seat belts Adjusting the seat belt.......................... 61
Automatic locking retractor............ 62
Child restraint system installation ..............................................112
Cleaning and maintaining the seat belts ..................................... 370
Emergency locking retractor ......... 62
How to wear your seat belt............. 60
How your child should wear the seat belt .......................................... 63
Pregnant women, proper seat belt use......................... 62
Reminder light .....................................456
Seat belt extenders .............................. 63
Seat belt pretensioners ........................ 61 Seat heaters ............................................ 338
Seat position memory............................ 55
Seating capacity.................................... 203
Seats
Adjustment .............................................. 50
Adjustment precautions ................... 50
Child seats/child restraint system installation.............................. 112
Cleaning ................................................ 369
Driver’s seat position memory ........ 51
Front passenger seat position memory ................................................. 55
Head restraints ....................................... 57
Properly sitting in the seat................ 89
Seat heaters ......................................... 338
Service reminder indicators ............ 150
Shift lever If the shift lever cannot be shifted from P................................... 487
Transmission.......................................... 134
Shift lever light .........................................319
Shift lock system.................................... 487
Shopping bag hooks ........................... 345
Side airbags .................................................91
Side marker lights Switch ........................................................158
Side mirrors Adjusting and folding ............................71
Mirror position memory ..................... 51
Smart access system with push-button startEntry function ..........................................28
Starting the engine.............................. 130
“SOS” button..........................................358R
S

564
Alphabetical index
WeightCargo capacity...................................200
Load limits ............................................. 203
Weight ....................................................502
Wheels ....................................................... 412
Window glasses ...................................... 73
Window lock switch ............................... 73
Windows Power windows......................................73
Rear window defogger ....................218
Washer ..................................................... 162
Windshield wipers................................. 162
Windshield wiper de-icer................... 219
Wireless remote control key Replacing the battery ........................ 417
WMA disc ...............................................238

565
What to do if...
What to do if...
A tire puncturesP. 4 7 7If you have a flat tire
The engine does not start
P. 4 8 6If the engine will not start
P. 8 3Engine immobilizer system
P. 4 9 2If the vehicle battery is discharged
The shift lever cannot be
moved out of PP. 4 8 7If the shift lever cannot be shifted
from P
The display on the engine cool-
ant temperature gauge flashes
Steam can be seen coming
from under the hood
P. 4 9 5If your vehicle overheats
The key is lostP. 4 8 8If you lose your keys
The battery runs outP. 4 9 2If the vehicle battery is discharged
The doors cannot be lockedP. 4 2Doors
The horn begins to soundP. 8 5Alarm
The vehicle is stuck in mud or
sandP. 4 9 8If the vehicle becomes stuck