Pass-Key ® Iii; Pass-Key Iii+ Operation - Chevrolet 2008 Cobalt Owner's Manual

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PASS-Key III+ Operation
Your vehicle has PASS-Key
Automotive Security System) theft-deterrent system.
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PASS-Key III+ is a passive 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.
When trying to start the vehicle if the engine does not
start and the security light comes on, there may be
a problem with your theft-deterrent system. Turn
the ignition off and try again.
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III+ (Personalized
If the engine still does not start, and the key appears to
be undamaged, try another ignition key. At this time,
you may also want to check the fuse, see Fuses
and Circuit Breakers on page 5-106. 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, for more information.
It may be possible for the PASS-Key
to "learn" 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
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PASS-Key III+ to have keys made and programmed
to the system.
See your dealer/retailer or a locksmith who can service
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PASS-Key III+ to get a new key blank that is cut
exactly as the ignition key that operates the system.
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III+ decoder