Lexus 2016 IS 200t, Service Manual

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1-2. Theft deterrent system
IS350/300/200t_U (OM53D18U)
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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 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.)
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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)
NOTICE
■
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.