Toyota SIENNA 2011 Quick Reference Manual page 202

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System maintenance
The vehicle has a maintenance-free type alarm system.
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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.
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Triggering of the alarm
The alarm may be triggered in the following situations.
(Stopping the alarm deactivates the alarm system.)
NOTICE
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To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper
operation of the system cannot be guaranteed.
●
A person inside the vehicle opens a
door or hood.
●
The battery is recharged or replaced
when the vehicle is locked.
I n f o r ma t i o n P r o v i d e d b y :
1-6. Theft deterrent system
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