Pontiac 2006 Montana SV6 Owner's Manual page 113

If the engine does not start and the security message
comes on, the key may have a damaged transponder.
Turn the ignition off and try again.
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 instrument panel PASS
KEY fuse. 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 or
a locksmith who can service the PASS-Key
have a new key made. See Fuses and Circuit Breakers
on page 5-98.
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. This
procedure is for learning additional keys only. If all the
currently programmed keys are lost or do not operate,
you must see your dealer or a locksmith who can service
®
PASS-Key III to have keys made and programmed
to the system.
See your dealer or a locksmith who can service
®
PASS-Key III to get a new key blank that is cut exactly
as the ignition key that operates the system.
®
III to
®
III decoder to learn
To program the new key, do the following:
1. Verify the new key has PK3 stamped on it.
2. Insert the original, already programmed key into the
ignition lock cylinder 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 OFF
and remove the key.
4. Insert the key to be programmed and turn it to RUN
within 10 seconds of removing the previous key.
5. The security message will turn off once the key has
been programmed. It may not be apparent that the
security message 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 message comes
on and stays on, you will be able to restart your engine
if you turn it off. Your PASS-Key
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
dealer or a locksmith who can service PASS-Key
have a new key made.
®
III system, however,
®
III key, see your
®
III to
2-29