Lexus RX450H Manual page 152

1-7. Theft deterrent system
Vehicles without a navigation system

Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarms:
 Unlock the doors using the entry function or the wireless
remote control.
 Start the hybrid system. (The alarm will be deactivated or
Intrusion sensor and tilt sensor
 The intrusion sensor detects an intruder 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.
The intrusion sensor and tilt sensor can be canceled using the can-
cel switch.
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RX450h_EE
Close the doors and hood,
and lock all the doors using
the entry function or wireless
remote control. The system
will be set automatically after
30 seconds.
The indicator light changes
from being on to flashing
when the system is set.