Lexus 2013 IS250, Owner'S Manual

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1-2. Theft deterrent system
IS250_EE(OM53B11E)

The intrusion sensor detects intruders or movement in the vehicle.

The tilt sensor detects changes in vehicle inclination, such as when the
vehicle is towed away.
This system is designed to deter and prevent vehicle theft but does not
guarantee absolute security against all intrusions.

Setting the intrusion sensor and tilt sensor
The intrusion sensor and tilt sensor will be set automatically when the
alarm is set. (

P. 83)

Canceling the intrusion sensor and tilt sensor
If you are leaving pets or other moving things inside the vehicle, make
sure to disable the intrusion sensor and tilt sensor before setting the
alarm, as they will respond to movement inside the vehicle.
Turn the engine switch off.
Press the intrusion sensor and
tilt sensor cancel switch.
Press the switch again to re-
enable the intrusion sensor and
tilt sensor.
Each time the intrusion sensor is
canceled/set, a message will be
shown on the multi-information
display in the instrument cluster.
Intrusion sensor and tilt sensor (if equipped)
1
2