Toyota Tundra Quick Reference Manual page 143

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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.
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Nobody is in the vehicle.
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The windows and moon roof are closed before the alarm is set.
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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.)
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A person inside the vehicle opens a door or hood.
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The battery is recharged or replaced when the vehicle is locked.
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Panic mode
→P. 44
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When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is discharged before canceling the alarm, the system may be
triggered when the battery is reconnected.
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Alarm-operated door lock
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When the alarm is operating, the doors are locked automatically to pre-
vent intruders.
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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 battery.
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.
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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