1993 Cadillac DeVille Owner's Manual - Page 84

U N m R S A L THEFT DETERRENT (OPTION) If your Cadillac has this option, it has a theft deterrent alarm system. Withthis system, tht "SECURITY" light will flash as you open the door(if your ignition is off). This light reminds you to arm the theftdeterrent system. Here's how to do it: 1. Opcn the door. 2. Lock the doorwith the power door lock switch or Keyless Entry System. The "SECURITY"light should come on andstay on. 3. Close all doors. The "SECURITY"light should go off. If a door or the trunk opened without the key or Keyless Entry System, is the alarm will go off. It will also go off if a door lock or thetrunk lock is damaged. Your vehicle's lightswill flash and the horn sound for3 will minutes, then will go off to save battery power. And, your vehicle will not start. Remember, the theft deterrent system won't arm if you lock the doors with a key or manual door lock. It arms only if you use a power door lock switch or Keyless Entry System. Here's how to avoid setting off the alarm by accident: 0 If you don't want to arm the theft deterrent system, the vehicle should be locked after the doors are closed. 71