2014 Lexus IS F change key battery

44
1-2. Opening, closing and locking the doors and trunk
IS F_U
■Pa n ic m o d e
■Electronic key battery depletion
→P. 3 8
■Security feature
→P. 4 0
■When the electronic key battery is fully depleted
→P. 4 3 6
■Conditions affecting operation
→P. 3 6
■Customization that can be configured at Lexus dealer
Settings (e.g. trunk unlocking function) can be changed.
(Customizable features →P. 5 4 4 ) When is pushed for longer than about
one second, an alarm will sound for about 60
seconds and the vehicle lights will flash to
deter any person from trying to break into or
damage your vehicle.
To stop the alarm, push any button on the
wireless remote control.

169
2-3. Operating the lights and windshield wipers
2
When driving
IS F_U
■Automatic light off system
●When the headlights come on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the “ENGINE START STOP” switch has
been switched to ACCESSORY mode or turned OFF. (The lights turn off
immediately if on the key is pressed after all doors are locked.)
●When only the tail lights come on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF and driver’s door is opened.
To turn the lights on again, switch to IGNITION ON mode, or turn the light switch
off once and then back to
or .
■Automatic headlight leveling system
The level of the headlights is automatically adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
■Customization that can be configured at Lexus dealer
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features →P. 5 4 4 )
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

5
When trouble arises
507
5-2. Steps to take in an emergency
IS F_UTouch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
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.
STEP2
■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 3 6 )
■Changing “ENGINE START STOP” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the
“ENGINE START STOP” switch.
The engine does not start and modes w ill be changed each time the switch is
pressed. ( →P. 1 3 9 )
STEP3

571
Alphabetical index
IS F_U
BrakeFluid .............................................................. 411
Parking brake ........................................ 152
Brake assist ............................................... 201
Care
Exterior ................................................... 384
Interior.....................................................388
Seat belts ............................................... 389
Cargo capacity ....................................... 214
Cargo hooks ...........................................362
CD changer* ..........................................245
CD player* ..............................................245
Chains......................................................... 218
Child restraint system Booster seats, definition.....................113
Booster seats, installation ..................119
Convertible seats, definition ............113
Convertible seats, installation .........119
Front passenger occupant
classification system ...................... 108
Infant seats, definition ..........................113
Infant seats, installation........................119
Installing CRS with lower
anchorages .......................................... 118
Installing CRS with seat belts ..........119
Installing CRS with top straps ....... 123
Child safety
Airbag precautions ............................103
Battery precautions................. 415, 510
Child restraint system .........................113
Child-protectors.................................... 47
How your child should wear the seat belt .......................................... 68 Installing child restraints..................... 117
Moon roof precautions......................84
Power window lock switch .............. 78
Power window precautions ........... 80
Removed electronic key battery
precautions........................................ 437
Seat belt comfort guide .....................66
Seat belt extender precautions...... 70
Seat belt precautions ..........................69
Seat heater precautions................. 355
Trunk precautions................................. 53
Child-protectors ...................................... 47
Cigarette lighter....................................352
Cleaning
Exterior................................................... 384
Interior .................................................... 388
Seat belts ............................................... 389
Clock ......................................................... 347
Coat hooks ..............................................359
Compass .................................................. 372
Condenser ................................................. 411
Console box ...........................................340
Cooling system Engine overheating.............................. 511
Cornering assist sensors .................... 195
Cruise control Cruise control........................................ 177
Dynamic radar cruise control......... 181
Cup holders ............................................ 342
Curtain shield airbags............................ 96
Customizable features .......................544
C
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.