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If the alarm system of your Cadillac DeVille is malfunctioning, the first step to take is to attempt to reset the system. A simple reset can often resolve most of the issues you may be experiencing. To reset the system, start by locking all the doors using the key fob and arming the system. Then, proceed to use the physical key in the driver's door key cylinder. Insert the key into the ignition and turn it to the on and off position twice without starting the vehicle. The dashboard light should flash, indicating the system has been successfully reset and is now ready for use. If further alarm problems persist, it is advisable to bring your car to a Cadillac dealership for inspection of the alarm modules.
I have a 1998 Cadillac DeVille. I misplaced my keys, had new ones made, but now my security light is on and I can't start my car. Any advice would be appreciated.
To reset the alarm on the Cadillac DeVille, start by locking all the doors. Next, unlock the driver's side door and turn the key to the on position. Then turn the key off and back on twice to complete the reset process.
Engage the ignition for 10 minutes until the service light blinks, then turn off the key and turn it back on for 10 minutes. Repeat this process three times before starting the car.
My car refuses to start, and it's causing my battery to drain. 😓
I replaced the fuse connected to my starter on my 1990 Cadillac DeVille. Initially, the car started right away when I inserted the new fuse. However, it only started once and now it won't start at all.
I drive a 2022 Cadillac Escalade 600 D and the indicator for the antitheft system is currently on. I need to figure out how to reset it.
When I connect the battery to my 1995 DeVille, all the lights and headlights come on, which drains the battery. Additionally, my key is stuck in the car. I tried resetting the new key fob, but it still won't work.
My 2002 Cadillac DeVille is receiving fuel, but it's not starting up.