check engine Lexus ES350 2010 Theft Deterrent System

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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.