2009 Lexus IS F key battery

5
When trouble arises
377
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
Once
(Comes on for 10 seconds.)
(Flashing)
Indicates that the
key battery is low.Replace the bat-
tery. (→P. 3 2 0 )

Indicates that the
“ENGINE START
STOP” switch has
been turned
twice to ACCES-
SORY mode
without starting
the engine when
a closed door is
opened.
Press the
“ENGINE START
STOP” switch
while applying the
brakes.

(Flashing)
Indicates that the
steering lock has
not released
within 3 seconds
of pressing the
“ENGINE START
STOP” switch.Press the
“ENGINE START
STOP” switch
again while turn-
ing the steering
wheel with the
brake pedal
depressed.
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

378
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
*: 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. 2 8 )
OnceIndicates that the
electronic key
does not operate
properly.
→P. 3 9 2
Once
Interior
buzzerExterior buzzerWarning messageDetailsCorrection
procedure

5
When trouble arises
391
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
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. 21) 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 electronic key and vehicle is interrupted
( → P. 28) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors and trunk can be
opened or the engine can be started by following the procedure below.

5
When trouble arises
393
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)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. 1 1 6 )
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzzer 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. 3 2 0 )
STEP3

443
Alphabetical index
08_IS F_U_(L/O_0808)
Back-up lightsWattage ................................................... 412
Battery Checking ............................................... 296
If the vehicle has discharged battery.................................................. 394
Preparing and checking before winter ......................................184
Bottle holders .........................................236
Brake Fluid .......................................................... 294
Parking brake ........................................ 129
Brake assist ............................................... 169
Care Exterior ................................................... 268
Interior....................................................... 271
Seat belts ................................................ 272
Cargo capacity ...................................... 180
Cargo hooks .......................................... 253
CD changer ........................................... 209
CD player................................................ 209
Chains......................................................... 184 Child restraint system
Booster seats, definition .................... 94
Booster seats, installation ...............100
Convertible seats, definition ............ 94
Convertible seats, installation .......100
Front passenger occupant
classification system .........................89
Infant seats, definition .......................... 94
Infant seats, installation .....................100
Installing CRS with lower
anchorages...........................................99
Installing CRS with seat belts ........ 100
Installing CRS with top straps....... 104
Child safety
Airbag precautions ..............................84
Battery precautions ..............297, 396
Child restraint system ......................... 94
Child-protectors ...................................38
How your child should wear the seat belt ..........................................55
Installing child restraints.....................98
Moon roof precautions...................... 67
Power window lock switch .............. 63
Power window precautions ............ 64
Removed electronic key battery precautions..........................................321
Seat belt comfort guide ..................... 53
Seat belt extender precautions...... 57
Seat belt precautions ..........................56
Seat heater precautions.................. 247
Trunk precautions................................. 43B
C

445
Alphabetical index
08_IS F_U_(L/O_0808)
Electric power steering ....................... 169
Electronic keyIf the electronic key does not operate properly .............................. 391
Emergency flashers Switch ...................................................... 344
Emergency, in case of If the engine will not start ...............388
If the shift lever cannot be shifted from P ................................... 389
If the vehicle has discharged battery.................................................. 394
If the warning buzzer sounds...... 355
If the warning light turns on .......... 355
If the warning message is displayed ............................................ 365
If you have a flat tire ........................ 379
If you lose your keys ........................390
If you think something is wrong..................................................... 351
If the electronic key does not operate properly .............................. 391
If your vehicle becomes stuck ....400
If your vehicle needs to be towed ................................................... 345
If your vehicle overheats................ 397 Engine
ACCESSORY mode......................... 116
Compartment..................................... 286
Engine switch .......................................... 116
Hood ........................................................283
How to start the engine ..................... 116
Identification number ...................... 403
If the engine will not start............... 388
Ignition switch ......................................... 116
Overheating .........................................397
Engine compartment cover ............. 287
Engine coolant Capacity .................................................407
Checking ............................................... 292
Preparing and checking before winter ..................................... 184
Engine coolant temperature gauge......................................................... 131
Engine immobilizer system....................71
Engine oil Capacity ................................................ 406
Checking .............................................. 288
Preparing and checking before winter ..................................... 184
Engine oil maintenance data............290
EPS .............................................................. 169
Event data recorder ............................353E

448
Alphabetical index
08_IS F_U_(L/O_0808)
Noise from under vehicle...................... 16
Odometer...................................................131
OilEngine oil ...............................................288
Opener
Fuel filler door......................................... 68
Hood........................................................283
Trunk ............................................................. 41
Outer foot lights
Outer foot lights ..................................227
Wattage.................................................... 412
Outside rear view mirrors Adjusting and folding ........................... 61
Mirror position memory ................... 45
Outside temperature display............ 139
Overhead console ............................... 233
Overhead courtesy lights
Overhead courtesy lights ..............227
Wattage.................................................... 412
Overheating, Engine ........................... 397
Parking assist sensors .......................... 163
Parking brake .......................................... 129
Parking lights Replacing light bulbs........................338
Switch ........................................................ 142
Wattage.................................................... 412
PCS ..............................................................176
Personal lights Switch ...................................................... 229
Power outlet............................................245
Power windows ........................................ 63
Pre-collision system...............................176 Radar cruise control............................. 153
Radiator .................................................... 294
Radio.......................................................... 202
RDS ............................................................ 203
Rear turn signal lights
Replacing light bulbs ....................... 338
Wattage ................................................... 412
Rear view mirror
Compass ................................................262
Rear window defogger ....................... 198
Replacing Electronic key battery ..................... 320
Fuses......................................................... 322
Light bulbs ............................................ 338
Reporting safety defects for U.S. owners.......................................... 436
Seat belts Adjusting the seat belt ........................53
Automatic locking retractor ............54
Child restraint system installation ............................................. 98
Cleaning and maintaining the seat belts ..................................... 272
Emergency locking retractor..........54
How to wear your seat belt .............52
How your child should wear the seat belt.......................................... 55
Pregnant women, proper seat belt use .........................54
Reminder light..................................... 358
Seat belt extenders.............................. 55
Seat belt pretensioners ......................53N
O
P
R
S

452
Alphabetical index
08_IS F_U_(L/O_0808)
WeightCargo capacity.................................... 180
Load limits .............................................. 183
Weight .................................................... 402
Wheels ....................................................... 315
Window glasses ...................................... 63
Window lock switch ............................... 63
Windows Power windows..................................... 63
Rear window defogger ................... 198
Washer .....................................................146
Windshield wipers................................. 146
Wireless remote control key Replacing the battery ...................... 320
WMA disc ................................................ 215