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1-2. Theft deterrent system
IS350/300/200t_U (OM53D18U)
■ 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 follow-
ing:
● 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
In the following cases, depending on the situation, the door may automatically lock to
prevent improper entry into the vehicle:
● The doors are unlocked manually without the mechanical key and the alarm is trig-
gered.
● While the alarm is operating, the doors are unlocked manually without the mechanical
key.
● When recharging or replacing the battery
● A person inside the vehicle opens a door, the
trunk or hood, or unlocks the vehicle using a
inside lock button.
● The battery is recharged or replaced when the
vehicle is locked. (P. 514)
■ 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.
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