2001 Cadillac DeVille Owner's Manual - Page 88

Remember, the theft-deterrent system won't activate if you lock the doors with a key or use the manual door lock. It activates only if you use a power door lock button or the remote keyless entry transmitter. To avoid activating the alarm by accident, do the following: Testing the Alarm 1. From inside the vehicle, roll down the window, then get out of the vehicle, keeping the door open. 2. From outside of the vehicle, with the door open, lock the vehicle using the power door lock or the remote keyless entry transmitter and close the door. Wait 30 seconds until the SECURITY light goes off. 3. Reach in and unlock the door using the manual lock lever and open the door. The horn will sound and the headlamps will flash. If the alarm does not sound 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. If the fuse does not need to be replaced, you may need to have your vehicle serviced. To reduce the possibility of theft, always activate the theft-deterrent system when leaving your vehicle. D Always unlock a door with a known key or use the remote keyless entry transmitter. (Using a known key or pressing the unlock button on the remote keyless entry transmitter disables the theft-deterrent system.) Unlocking a door any other way, such as using an unknown key, will activate the alarm system. the doors are closed if you don't want to activate the theft-deterrent system. D The vehicle should be locked with the door key after If you activate the alarm by accident, unlock the driver's door with your key. You can also turn off the alarm by using the unlock button on the remote keyless entry transmitter or by starting the vehicle with a known key. The alarm won't stop if you try to unlock a door any other way. 2-18