1993 Cadillac DeVille Owner's Manual - Page 86

- the key from the ignition. PASS-Key TM uses a resistor pellet in the ignition key that matches a decoderin your vehicle. When the PASS-Key 11 TM system senses that someone is using the wrong key, it shuts down the vehicle's starter and fuel systems. For about three minutes, the starterwon't work and fuelwon't go to the engine. If someone triesto startyour vehicle again or uses another key during this time, the vehicle will not start. This discourages someone from randomly trying different keys with different resistor pellets in an attempt tomake a match. The ignition key must be clean and dry before it's inserted in the ignition or theengine may not start. If the engine does not start and the "SECURITY" light comes on, thekey may be dirty or wet. Turn the ignition off. Clean and dry the key. Wait about three minutes and try again. The security light will remain on during this time. If the starterstill won't work, and the key appears to be clean and dry, wait about three minutes and try the other ignition key. At this time, you may also want to check the fuse (see "Fuses and Circuit Breakers" in the Index). If the starter won't work with the otherkey, your vehicle needs service. If your vehicle does start, the ignition key may be faulty. See your Cadillac dealer or first a locksmith who can service the PASS-Key I1 TM . If you accidentally use a key that has a damaged or missing resistor pellet, the starterwon't work and the security light will flash. But you don't have to wait three minutes before trying one of the otherignition keys. See your Cadillac dealer or a locksmith who can service the Pass-Key I1 TM to have a new key made. If you're ever driving andthe "SECURITY" light comes on and stays on, you will be able to restart your engine if you turn it off. Your PASS-Key I1 TM system, however, isnot working properly and must serviced by your be Cadillac dealer. Your vehicle is not protected by the PASS-Key I1 system. while the security light stays as described. So you should service your on vehicle as soon as possible. If you lose or damage a PASS-Key I1TM ignition key, see your Cadillac dealer or a locksmith who can service PASS-Key I1TM to have a new key made. TM _ .~ - ~- - _