Immobilizer Operation - Buick 2009 Lucerne Owner's Manual

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PASS-Key III+ Electronic

Immobilizer Operation

Your vehicle is equipped with PASS-Key
(Personalized Automotive Security System)
theft-deterrent system. PASS-Key
theft-deterrent system.
The system is automatically armed when the key is
removed from the ignition.
You do not have to manually arm or disarm the system.
The security light will come on if there is a problem
with arming or disarming the theft-deterrent system.
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When the PASS-Key III+ system senses that someone
is using the wrong key, it prevents the vehicle from
starting. Anyone using a trial-and-error method to start
the vehicle will be discouraged because of the high
number of electrical key codes.
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III+
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III+ is a passive
When trying to start the vehicle if the engine does not
start and the security light on the instrument panel
cluster comes on, there may be a problem with your
theft-deterrent system. Turn the ignition off and try again.
If the engine still does not start, and the key appears
to be not damaged, try another ignition key. At this time,
you may also want to check the fuse, see Fuses and
Circuit Breakers on page 5-98. If the engine still
does not start with the other key, your vehicle needs
service. If your vehicle does start, the first key may be
faulty. See your dealer/retailer who can service the
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PASS-Key III+ to have a new key made. In an
emergency, contact Roadside Assistance. See Roadside
Assistance Program on page 7-7.
It is possible for the PASS-Key
the transponder value of a new or replacement key.
Up to 10 keys may be programmed for the vehicle.
The following procedure is for programming additional
keys only. If all the currently programmed keys are
lost or do not operate, you must see your dealer/retailer
or a locksmith who can service PASS-Key
have keys made and programmed to the system.
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III+ decoder to "learn"
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III+ to
2-19