How do i reset the anti theft system Cadillac DeVille?

If the alarm system is acting up in Your Cadillac DeVille then the first thing that You should do is try to reset the system. Usually a simple reset is able to clear up most of the problems that You are having. To reset the system You will need to lock all of the doors using the key fob and arm the system. Next You will need to use the physical key in the driver's door using the key cylinder. After that put the key into the ignition and move it to the on and off position twice without starting the car. The light should blink on the dash indicating that the system has been completely reset and is ready to go. If You have more problems with Your alarm You will want to take it to Cadillac to let them inspect the alarm modules.