2009 Cadillac DTS Owner's Manual - Page 97

Content Theft-Deterrent The security light is located on the instrument panel cluster. The theft-deterrent system will not arm if you lock the doors with a key or use the manual door lock. It arms only if you use a power door lock with the door open or the RKE transmitter. To avoid arming the alarm by accident: • Lock the vehicle with the door key or the manual door lock. • Always unlock a door with a key or use the RKE To arm the system: 1. Open the door. 2. Lock the door using the power door lock switch with the door open or the Remote Keyless Entry (RKE) transmitter. The security light will flash. 3. Close all the doors. The security light will come on and stay on for approximately 30 seconds. If a door or the trunk is opened without a key or a RKE transmitter the horn will sound and the lamps will flash for about 30 seconds. transmitter system. Pressing the unlock button on the RKE transmitter, or unlocking a door with the key disarms the content theft-deterrent system. Unlocking a door any other way will activate the alarm when a door or the trunk is opened. 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 RKE transmitter system, or by starting the car with a valid key. Changes or modifications made to this system by other than an authorized service facility could void authorization to use the theft system. 2-21