It is possible for the PASS-Key
®
III decoder to
learn the transponder value of a new or
replacement key. Up to 10 keys may be
programmed for the vehicle. This procedure
is for programming additional keys only.
Canadian Owners: If you lose or damage your
keys, only a GM dealer can service PASS-Key
®
III
to have new keys made. To program additional
keys you will require two current driver’s keys. You
must add a step to the following procedure.
After Step 2 repeat Steps 1 and 2 with the second
current driver’s key. Then continue with Step 3.
To program the new key, do the following:
1. Verify that the new key has PK3 stamped on it.
2. Insert the current driver’s key in the ignition
and start the engine. If the engine will not
start, see your dealer for service.
3. After the engine has started, turn the key to
LOCK, and remove the key.
4. Insert the key to be programmed and turn it to
ON within 10 seconds of removing the
previous key.
5. The SECURITY light will turn off once the key
has been programmed. It may not be apparent
that the SECURITY light went on due to
how quickly the key is programmed.
6. Repeat Steps 1 through 4 if additional keys
are to be programmed.
If you are ever driving and the SECURITY light
comes on and stays on, you will be able to restart
your engine if you turn it off. Your PASS-Key
®
III
system, however, is not working properly and must
be serviced by your dealer. Your vehicle is not
protected by the PASS-Key
®
III system at this time.
If you lose or damage a PASS-Key
®
III key, see
your dealer to have a new key made.
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