Lexus 2012 RX450h Owner's Manual page 152

1-7. Theft deterrent system
System maintenance
■
The vehicle has a maintenance-free type alarm system.
Items to check before locking the vehicle
■
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
following:
Nobody is in the vehicle.
●
The windows and moon roof are closed before the alarm is set.
●
No valuables or other personal items are left in the vehicle.
●
Triggering of the alarm
■
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
Alarm-operated door lock
■
When the alarm is operating, the doors are locked automatically to prevent
●
intruders.
Do not leave the key inside the vehicle when the alarm is operating, and make
●
sure the key is not inside the vehicle when recharging or replacing the 12-volt
battery.
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A person inside the vehicle opens a door
●
or the hood.
The 12-volt battery is recharged or
●
replaced when the vehicle is locked.