2000 Cadillac DeVille Owner's Manual - Page 88

It is possible for the PASS-Key III decoder to learn the transponder value of a new or replacement key. Up to ten additional 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 blank key that is cut exactly as a current black-colored driver's key that operates the system. Do not use a gray-colored valet key for this procedure. To program the new key: D Insert the key to be programmed and turn it to ON within ten seconds of removing the previous key. D 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. be programmed. D Repeat the Steps 1 through 4 if additional keys are to If you are ever driving and the SECURITY light comes on and stays on, you will be able to start 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 or a locksmith who can service PASS-Key III to have a new key made. D Insert the current driver's key (black in color) in the ignition and start the engine. If the engine will not start see your dealer for service. remove the key. D After the engine has started, turn the key to OFF, and 2-19