Buick 2005 Century - Manual (Page 82)

Theft-Deterrent Systems
Vehicle theft is big business, especially in some cities.
Although your vehicle has a number of theft-deterrent
features, we know that nothing we put on it can make it
impossible to steal. However, there are ways you
can help.
PASS-Key ® II
The vehicle is equipped
with the PASS-Key
® II
(Personalized Automotive
Security System)
theft-deterrent system.
PASS-Key
® II is a passive
theft-deterrent system.
It works when the ignition
key is inserted or
removed from the ignition.
PASS-Key ® II uses a resistor pellet in the ignition key
that matches a decoder in the vehicle.
When the PASS-Key ® II system senses that the wrong
key has been inserted into the ignition, it shuts down
the vehicle’s starter and fuel systems. The starter will not
work and fuel will not go to the engine for about
three minutes. If someone tries to start the vehicle again
with the wrong key, or uses another incorrect key
during this time, the vehicle will not start. This
discourages someone from randomly trying keys with
different resistor pellets in an attempt to make a match.
The ignition key must be clean and dry before it is
inserted in the ignition or the engine may not start. If the
engine does not start and the SECURITY warning
light on the instrument panel is flashing, the key may be
dirty or wet. Turn the ignition off.
Clean and dry the key. Wait about three minutes and try
again. If the vehicle still does not start, the ignition
key may be faulty. Wait about three more minutes and
try a spare ignition key. At this time, you may also
want to check the fuse. See Fuses and Circuit Breakers
on page 5-91 for information on fuse location. If the
starter will not work with the spare key, the vehicle
needs service. See your dealer or a locksmith who can
service the PASS-Key
® II.
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