1994 Cadillac DeVille Owner's Manual - Page 96

This light reminds you to arm the theft deterrent system. Here's how to do it: 1. Open the door. 2. Lock the doorwith the power door lock switch or Keyless Entry System. The "SECURITY"light should come on and stay on. 3. Close all doors. The "SECURITY"light should go off. If a door is opened without the key or Keyless Entry System,the alarm will go off. It will also go off if the trunk lock is damaged. Your vehicle's lights will flash and the horn will sound for 3 minutes, then will go off to save battery power. Remember, the theft deterrent system won't armif you lock the doors with a key or manual door lock. It armsonly if you use a power door lock switch or Keyless Entry System. Here's how to avoid setting off the alarm by accident: If you don't want to arm the theft deterrent system, the vehicle should be locked with the doorkey after the doors closed. are Always unlock a door with a key, or use the Keyless Entry System. Unlocking a door any other way will set off the alarm. _ If you set off the alarm by accident, unlock anydoor with your key. You can also turn off the alarm by using the Keyless Entry System. The alarm won't stop if you try to unlock a door any other way. How to Test The Alarm From outside thevehicle, roll down your window lock the vehicle and using the power door lock or theKeyless Entry System and closethe door. 0 Reach in and unlock the door using the manual lock, and open the door. The horn sound and your headlights will flash. will If the alarm does notsound when it should, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see "Fuses and Circuit Breakers" in the Index. To reduce the possibility of theft, always arm the theft deterrent system when leaving your vehicle. 83