light Lexus ES350 2010 Theft Deterrent System

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1-6. Theft deterrent system
Engine immobilizer system
The vehicle's keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle's
on-board computer.

Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper
-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.

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1-6. Theft deterrent system
Alarm
Deactivating or stopping the alarm
Do one of the following:
●Unlock the doors or trunk using the entry function or the wireless
remote door lock function.
●Turn the “ENGINE START STOP” switch to the ACCESSORY or
IGNITION ON mode or start the engine.

(The alarm will be deactivated or stopped after a few seconds.)
■System maintenance
The vehicle has a maintenance-free type of alarm system.
■Items to check before locking the vehicle
To prevent unintended triggering of the alarm, check that there is no one in the vehi-
cle, and that all windows and moon roof are closed before locking the vehicle.
The system sounds the alarm and flashes lights when forcible entry is
detected.
Close the moon roof and all
windows. Stop the engine.
The engine immobilizer system
causes the indicator light to
flash.
After all people exit out of the
vehicle, close the doors, trunk
and hood, and lock all doors.
The indicator light comes on.
The indicator light changes from
being on to a flashing pattern
when the alarm system is set.

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1-6. Theft deterrent system
1
Before driving
■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 system.
●A person inside the vehicle opens a door, the trunk or hood.
●The battery is recharged or replaced when the vehicle is locked.
■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 correctly
Do not modify and remove the system. If modified or removed, the proper opera-
tion 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.