1997 Cadillac DeVille Owner's Manual - Page 82

But what if you have to leave your ignitionkey? What if you have to leave something valuable in your vehicle? Put your valuables in a storage area, like your trunk or glove box. Lock the glove box. Lock all the doors except the driver's. Then take the door key and remote keyless entry transmitter with you. 3. Close all the doors. The SECURITY light shouldgo off within approximately30 seconds. The horn will sound and the lamps will flash for about 30 seconds when the door or trunkis opened without the key or RKE system. The horn also sounds if the locks are damaged. Remember, the theft-deterrent system won't activateif you lock the doors with a keyor use the manual door lock. It activates only if you use a power door lock switch or the RKE system. To avoid activating thealarm by accident: The vehicle should be locked with the door key after the doors are closed if you don't want activate the to theft-deterrent system. Always unlock a door with a key or use the RKE system. (Pressing the unlock button the RKE on transmitter disablesthe theft-deterrent system.) Unlocking adoor any other way will activate the alarm. Cycling the ignition withoutdisarming the theft-deterrent system will also activate the alarm. If you activate thealarm by accident, unlock any door with your key.You can also turn offthe alarm by using the RKE system.The alarm won't stopif you try to unlock a door any other way. Theft-Deterrent System (If Equipped) If the ignition is off and any door is open, the SECURITY lightwill flash, reminding you to activate the system (the light will also flash if the battery has been disconnected and reconnected). SECURITY 1. Open the door. 2. Lock the door using the powerdoor lock or the RKE system. The SECURITY light should come on and stay on. 2-17