Lexus IS220d 2012 Manual page 111

Intrusion sensor (if equipped)
The sensor detects an intruder or movement in the vehicle. When
an intruder or movement is detected, the alarm will be triggered.
This system is designed to deter and prevent vehicle theft but does
not guarantee absolute security against all intrusions.
For details about the alarm, refer to "Alarm".
Canceling the intrusion sensor (if equipped)
The operation of sensor can be canceled using the satellite
switches.
(P. 365)

System maintenance
The vehicle has a maintenance-free type alarm system.

Points to remember before locking the doors
To prevent unexpected triggering of the alarm, make sure to check the fol-
lowing before locking the doors:

Nobody is in the vehicle.

The windows and moon roof are closed before the alarm is set.
The alarm system does not guarantee absolute security. To help prevent
theft, make sure to check that no valuables and so forth are left in the vehi-
cle.
IS250/220d/200d_EE
1-6. Theft deterrent system
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