alarm Lexus ES350 2012 User Guide

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1-6. Theft deterrent system
ES350_U
■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.
■Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
●The doors are unlocked using the mechani-
cal key.
●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
ES350_U
■Pa n i c m o d e
■When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is discharged before canceling the alarm, the system may be triggered
when the battery is reconnected.
■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 modified or removed, the proper operation
of the system cannot be guaranteed.
When is pushed for longer than about
one second, the headlights/tail lights/emer-
gency flashers will flash, the front and rear
interior lights will come on, and an alarm will
sound for about 60 seconds 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.

5
When trouble arises
475
5-2. Steps to take in an emergency
ES350_UAfter the operation is completed,
reinstall the cover.
Hook the upper claw of the cover
onto the upper catch on the vehi-
cle side, and then push on the
lower side of the cover.
Make sure that the lower claw of
the cover is securely fastened to
the lower catch on the vehicle side.
If the cover is not securely
attached, it may fall off while driv-
ing.
Changing “ENGINE START STOP” switch modes and 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.
STEP3
STEP1
STEP2

538
ES350_U
Alphabetical index
Alphabetical index
A/C* ..........................................................206
ABS.............................................................. 182
Adaptive front lighting system ...........151
AFS ................................................................151
Air conditioning filter ......................... 405
Air conditioning systemAir conditioning filter .......................405
Automatic air conditioning system*................................................ 206
Airbags
Airbag operating conditions........... 90
Airbag precautions for your child.......................................................... 94
Airbag warning light ........................440
Curtain shield airbag operating conditions................................................ 91
Curtain shield airbag precautions .......................................... 94
Front passenger occupant classification system......................... 99
General airbag precautions ........... 94
Locations of airbags............................88
Modification and disposal of airbags .................................................... 98
Proper driving posture ............. 86, 94
Side airbag operating conditions................................................ 91
Side airbag precautions .................... 94
SRS airbags .............................................88 Alarm............................................................ 83
Antenna ...................................................... 221
Anti-lock brake system ....................... 182
Armrest .................................................... 332
Ashtray...................................................... 325
Audio input.............................................. 256
Audio system*
Antenna.....................................................221
Audio input........................................... 256
AUX port .............................................. 256
CD player/changer .......................... 224
iPod .......................................................... 238
MP3/WMA disc................................. 231
Optimal use ......................................... 254
Portable music player ..................... 256
Radio ..........................................................217
Steering wheel audio switch.........257
USB memory ...................................... 245
USB port ................................... 238, 245
Automatic air conditioning
system* .................................................. 206
Automatic headlight leveling
system ......................................................152
Automatic light control system.........149
Automatic transmission Automatic transmission ................... 132
If the shift lever cannot be shifted from P.................................... 472
S mode ..................................................... 133
AUX port................................................. 256
Auxiliary box ............................................321A

547
Alphabetical index
ES350_U
Tachometer ..............................................138
Tail lightsReplacing light bulbs ....................... 420
Switch ........................................................ 149
Wattage ................................................. 495
Talk switch*............................................. 284
Telephone switch* ............................... 284
Theft deterrent system
Alarm .......................................................... 83
Engine immobilizer system ............... 81
Tire inflation pressure......................... 399
Tire information Glossary ................................................504
Size ............................................................ 501
Tire identification number .............. 501
Uniform tire quality grading......... 502
Tires Chains .......................................................198
Checking ............................................... 390
If you have a flat tire............................ 461
Inflation pressure ............................... 399
Inflation pressure sensor.................. 391
Information............................................ 499
Replacing................................................. 461
Rotating tires ........................................390
Size ........................................................... 493
Snow tires..............................................200
Spare tire ................................................. 461
Tools ............................................................ 461
Total load capacity................................. 195 Towing
Dinghy towing .....................................203
Emergency towing............................. 431
Trailer towing .......................................202
TRAC.......................................................... 182
Traction control ...................................... 182
Trip meter ................................................. 138
Trunk Extending a space ............................ 335
Opener ...................................................... 46
Trunk light Trunk light ................................................. 47
Wattage ................................................. 495
Turn signal lights
Replacing light bulbs ........................420
Switch........................................................ 135
Wattage ................................................. 495T
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

550
ES350_U
What to do if...
What to do if...
A tire puncturesP. 4 6 1If you have a flat tire
The engine does not start
P. 4 7 0If the engine will not start
P. 8 1Engine immobilizer system
P. 4 7 7If the vehicle battery is discharged
The shift lever cannot be
moved outP. 4 7 2If 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. 4 8 0If your vehicle overheats
The key is lostP. 4 7 3If you lose your keys
The battery runs outP. 4 7 7If the vehicle battery is discharged
The doors cannot be lockedP. 4 2Doors
The horn begins to soundP. 8 3Alarm
The vehicle is stuck in mud or
sandP. 4 8 3If the vehicle becomes stuck