Lexus LX 570 Owner's Manual page 122

1-6. Theft deterrent system
System maintenance
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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
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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
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or hood.
The battery is recharged or replaced when
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the vehicle is locked.