Cadillac 2010 DTS Owner's Manual

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The theft-deterrent system will not arm if you lock thedoors with a key or use the manual door lock. It armsonly if you use a power door lock with the door open orthe RKE transmitter.To avoid arming the alarm by accident:. Lock the vehicle with the door key or the manualdoor lock.. Always unlock a door with a key or use the RKEtransmitter system. Pressing the unlock button onthe RKE transmitter, or unlocking a door with thekey disarms the content theft-deterrent system.Unlocking a door any other way will activate thealarm when a door or the trunk is opened.If you activate the alarm by accident, unlock the driver'sdoor with your key. You can also turn off the alarm byusing the unlock button on the RKE transmitter system,or by starting the car with a valid key.Changes or modifications made to this system byother than an authorized service facility could voidauthorization to use the theft system.Testing the Alarm1. From inside the vehicle, roll down the window, thenget 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 theRKE system and close the door. Wait 30 secondsuntil the security lamp goes off.3. Reach in and unlock the door using the manuallock and open the door. The horn will sound andthe hazard lights will flash.You can turn off the alarm by unlocking the driver's doorwith your key, using the unlock button on the RKEtransmitter or by starting the car with a valid key.If the alarm does not sound when it should, check tosee if the horn works. The horn fuse may be blown.To replace the fuse, see Fuses and Circuit Breakers onpage 6‑106. If the fuse does not need to be replaced,you may need to have your vehicle serviced.To reduce the possibility of theft, always arm thetheft-deterrent system when leaving your vehicle.3-20