Lexus IS350 AWD Owner's Manual page 79

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 follow-
ing:
Nobody is in the vehicle.
●
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
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The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
The trunk is opened using the mechanical key.
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A person inside the vehicle opens a door or
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the trunk or hood, or unlocks the vehicle.
The battery is recharged or replaced when the
●
vehicle is locked. (P. 577)
Alarm-operated door lock
■
In the following cases, depending on the situation, the door may automatically lock to
prevent improper entry into the vehicle:
When a person remaining in the vehicle unlocks the door and the alarm is activated.
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While the alarm is activated, a person remaining in the vehicle unlocks the door.
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When recharging or replacing the battery
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IS350 AWD/IS350/IS300 AWD/IS300_U
1-3. Theft deterrent system
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