Toyota PRIUS Manual page 198

1-8. Theft deterrent system
 Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm:
 Unlock the doors using the entry function or wireless remote
control.
 Start the hybrid system. (The alarm will be deactivated or
stopped after a few seconds.)
Intrusion sensor (if equipped)
The intrusion sensor detects intruders or movement in the vehicle.
When an intruder or movement is detected, the alarm will be trig-
gered.
The intrusion sensor can be canceled using the cancel switch.
This system is designed to deter and prevent vehicle theft but does
not guarantee absolute security against all intrusions.
 Canceling the intrusion sensor
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PRIUS PHV_OM_OM47831E_(EE)
Turn the "POWER" switch off
and press the intrusion sensor
cancel switch.
Pressing the switch again will re-
enable the intrusion sensor.
The intrusion sensor will revert to
on each time the "POWER"
switch is turned to ON mode.