Cadillac 2008 SRX Owner's Manual page 101

If the engine does not start and the security light on
the instrument panel cluster comes on when trying to
start the vehicle, 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 undamaged, try another ignition key. At this
time, you may also want to check the fuse, see
Fuses and Circuit Breakers on page 5-101. 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 PASS-Key III+ to have a new key made. In an
emergency, contact Roadside Assistance.
It is possible for the PASS-Key
the transponder value of a new or replacement key.
Up to eight additional 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 III+ to have keys made and programmed
to the system.
®
III+ decoder to learn
See your dealer/retailer 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.
To program the new additional key:
1. Verify that the new key has a
2. Insert the original, already programmed, key in
the ignition and start the engine. If the engine
will not start, see your dealer/retailer for service.
3. After the engine has started, turn the key to
LOCK/OFF, and remove the key.
4. Insert the new key to be programmed and turn it
to ON/RUN within five seconds of the original key
being turned to LOCK/OFF.
The security light will turn off once the key has
been programmed.
5. Repeat Steps 1 through 4 if additional keys are
to be programmed.
If you lose or damage your PASS-Key
your dealer/retailer or a locksmith who can service
®
PASS-Key III+ to have a new key made.
Do not leave the key or device that disarms or
deactivates the theft deterrent system in the vehicle.
1
stamped on it.
®
III+ key, see
2-23