2013 Lexus IS250 alarm

46
1-2. Opening, closing and locking the doors and trunk
■Pa n i c m o d e
■Electronic key battery depletion
P. 3 9
■When the electronic key battery is fully depleted
P. 4 2 6
■Security feature
P. 4 1
■Conditions affecting operation
P. 3 7
■Customization that can be configured at Lexus dealer
Settings (e.g. trunk unlocking function) can be changed.
(Customizable features P. 5 4 2 )
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.

61
1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
Using the wireless remote controlTurn the “ENGINE START STOP” switch OFF and close the
driver's door.
While the desired button (“1”, “2”
or “3”) press on the wireless
remote control until the signal
beeps.
The driving position is recalled
when the driver's door is unlocked
using the entry function or wireless
remote control and the driver’s
door is opened.
To prevent unintended triggering of the alarm, open and close a door
once after a driving posit ion has been recorded. (If a door is not opened
within 60 seconds after is pressed, th e doors will be locked again and
the alarm will automatically be set.)
In case that the alarm is triggered, immediately stop the alarm. ( P. 9 3 )
Using the door lock switch Turn the “ENGINE START STOP” switch OFF and close the
driver's door.
While pressing the desired button
(“1”, “2” or “3”), press the lock or
unlock side on the driver’s door
lock switch until the signal beeps.
The driving position is recalled
when the driver's door is unlocked
using the entry function or wireless
remote control and the driver's
door is opened.
STEP1
STEP2
STEP1
STEP2

93
1
1-6. Theft deterrent system
Before driving
Alarm
The system sounds the alarm and flashes the lights when forcible entry is
detected.
■ Triggering of the alarm
The alarm is triggered in the following situations when the alarm is
set:
●A locked door or trunk is unlocked or opened in any way other
than using the entry function, wi reless remote door lock function
or mechanical key.
● The hood is opened.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors.
The system will be set automati-
cally after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
●Unlock the doors or trunk.
● Turn the “ENGINE START STOP” switch to ACCESSORY or
IGNITION ON mode, or start the engine. (The alarm will be
deactivated or stopped after a few seconds.)

94
1-6. Theft deterrent system
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
following.
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
■Tr i g g e r i n g o f t h e a l a r m
The alarm may be triggered in the following situations.
(Stopping the alarm deactivates the alarm system.)
■When the battery is disconnected
Be sure to deactivate the alarm system.
If the battery is disconnected before deactivating the alarm system, the alarm may
be triggered when the battery is reconnected.
●A person inside the vehicle opens a door,
the trunk or hood.
●The battery is recharged or replaced when
the vehicle is locked.

95
1-6. Theft deterrent system
1
Before driving
■Alarm-operated door lock
●When the alarm is operating, the doors are locked automatically to prevent
intruders.
●Do not leave the key inside the vehicle when the alarm is operating, and make
sure the key is not inside the vehicle when recharging or replacing the battery.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation
of the system cannot be guaranteed.

498
5-2. Steps to take in an emergency
Starting the engine
Shift the shift lever to P and apply the brakes.Touch 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, keepin g the brake pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
STEP1
STEP2
STEP3

5
When trouble arises
501
5-2. Steps to take in an emergency
■Avoiding a discharged battery
●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.
■Charging the battery
The electricity stored in the battery will discharge gradually even when the vehicle
is not in use, due to natural discharge and the draining effects of certain electrical
appliances. If the vehicle is left for a long time, the battery may discharge, and the
engine may be unable to start. (The batt ery recharges automatically during driving.)
■When the battery is removed or discharged
Make sure that the key is not inside the vehicle when recharging or replacing the
battery. The key may be locked in the vehicle if the alarm is activated. ( P. 9 4 )
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.STEP5
STEP6

568
Alphabetical index
Alphabetical index
A/C* ........................................................... 210
ABS................................................................191
Air conditioning filter .......................... 424
Air conditioning systemAir conditioning filter ....................... 424
Automatic air conditioning system*..................................................210
Airbags Airbag operating conditions..........102
Airbag precautions for your child........................................................ 105
Airbag warning light ........................ 464
Curtain shield airbag operating conditions.............................................102
Curtain shield airbag
precautions ........................................ 105
Front passenger occupant classification system......................... 110
General airbag precautions ......... 105
Locations of airbags............................ 99
Modification and disposal of airbags .................................................. 109
Proper driving po sture ............97, 105
Side airbag operating conditions.............................................102
Side airbag precautions .................. 105
SRS airbags ............................................. 99
Alarm ............................................................ 93
Antenna* ..................................................228 Anti-lock brake system ......................... 191
Armrest .................................................... 343
Ashtrays.................................................... 336
Assist grips .............................................. 348
Audio input* ........................................... 265
Audio system*
Antenna.................................................. 228
AUX port .............................................. 265
Bluetooth
® audio ..............................270
CD player/changer ........................... 231
iPod ...........................................................246
MP3/WMA disc............................... 238
Optimal use ..........................................263
Portable music player ..................... 265
Radio ........................................................ 223
Steering wheel audio switch.........267
USB memory ...................................... 254
USB port ............................................... 254
Automatic air conditioning system* ................................................... 210
Automatic headlight leveling system ......................................................170
Automatic light control system......... 167
Automatic transmission Automatic transmission ................... 144
If the shift lever cannot be shifted from P................................... 494
S mode ..................................................... 147
AUX port* .............................................. 265
Auxiliary box .......................................... 329
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