Lexus IS350 Quick Manual page 9

Topic 1
Entering and Exiting
Theft Deterrent System
The theft deterrent system includes the following features to help protect your vehicle from
theft.
To stop the alarm, start the engine or unlock the doors or trunk using the electronic key or
the wireless remote control. (The alarm will stop after several seconds.)
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Engine immobilizer system
The engine immobilizer system prevents the
engine from being started in the event that an
attempt is made to start the vehicle using an
unregistered key.
The security indicator light flashes to indicate that
the system is set.
Alarm
The alarm detects forcible entry and attracts
attention to the vehicle by sounding the horn and
flashing the exterior lights in the event that an
attempt is made to forcibly open the doors, trunk
or hood that have been locked.
When all the doors are locked, the security indi-
cator light comes on to indicate that the alarm is
in its preparation state. The indicator light begins
to flash after approximately 30 seconds to indi-
cate that the system is armed.
Steering lock
The steering wheel locks when the engine switch
is in OFF mode.