alarm Lexus IS250 2013 Using the Bluetooth audio system / LEXUS 2013 IS250,IS350 (OM53B64U) User Guide

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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.)

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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.

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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.

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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

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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
A

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Alphabetical index
TachometerTacho indicator .................................... 153
Tachometer ............................................ 153
Tail lights Switch ........................................................ 167
Talk switch*............................................. 293
Telephone switch* ................................292
Theft deterrent system Alarm .......................................................... 93
Engine immobilizer system ............... 91
Theft prevention labels ..........................96
Tire inflation pressure...........................418
Tire information Glossary ................................................ 535
Size ........................................................... 532
Tire identification number ............. 532
Uniform tire quality grading......... 533
Tires Chains ....................................................... 201
Checking ............................................... 406
If you have a flat tire.......................... 483
Inflation pressure .................................418
Inflation pressure sensor................408
Information............................................530
Replacing............................................... 483
Rotating tires ........................................ 406
Size ........................................................... 520
Snow tires................................................ 201 Tools ...........................................................483
Total load capacity .............................. 200
Towing
Dinghy towing .................................... 206
Emergency towing........................... 455
Trailer towing ...................................... 205
TRAC............................................................ 191
Traction control ........................................ 191
Transmission shift switches .................147
Trip meter ................................................. 153
Trunk Extending trunk space ....................346
Opener ...................................................... 53
Trunk light Trunk light ................................................. 54
Wattage ..................................................525
Turn signal lights Replacing light bulbs ........................ 444
Switch........................................................ 150
Wattage ..................................................525T
*: For vehicles with a navigation system, refe r to the “Navigation System Owner’s Manual”.

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What to do if...
What to do if...
A tire puncturesP. 4 8 3If you have a flat tire
The engine does not start
P. 4 9 2If the engine will not start
P. 9 1Engine immobilizer system
P. 5 0 0If the vehicle battery is discharged
The shift lever cannot be
moved out of PP. 4 9 4If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 5 0 4If your vehicle overheats
The key is lostP. 4 9 5If you lose your keys
The battery runs outP. 5 0 0If the vehicle battery is discharged
The doors cannot be lockedP. 4 8Doors
The horn begins to soundP. 9 3Alarm
The vehicle is stuck in mud or
sandP. 5 0 7If the vehicle becomes stuck