Black plate (16,1)Cadillac XTS Owner Manual (GMNA-Localizing-MidEast-8087803) - 2015 -crc - 6/24/142-16 Keys, Doors, and Windowswill bypass the 30-second delayand immediately arm the alarmsystem.The vehicle alarm system will notarm if the doors are locked withthe key.If the driver door is opened withoutfirst unlocking with the RKEtransmitter, the horn will chirp andthe lights will flash to indicatepre-alarm. If the vehicle is notstarted, or the door is not unlockedby pressing K on the RKEtransmitter during the 10–secondpre-alarm, the alarm will beactivated.The alarm will also be activated if apassenger door, the trunk, or thehood is opened without firstdisarming the system. When thealarm is activated, the turn signalsflash and the horn sounds for about30 seconds. The alarm system willthen re-arm to monitor for the nextunauthorized event.Disarming the Alarm SystemTo disarm the alarm system or turnoff the alarm if it has been activated:. Press K on the RKE transmitter.. Unlock the vehicle using theKeyless Access system.. Start the vehicle.To avoid setting off the alarm byaccident:. Lock the vehicle after alloccupants have left the vehicleand all doors are closed.. Always unlock a door with theRKE transmitter or use theKeyless Access system.Unlocking the driver door with thekey will not disarm the system orturn off the alarm.How to Detect a TamperConditionIf K is pressed and the horn chirpsand the lights flash three times, thealarm was activated while the alarmsystem was armed.If the alarm system has beenactivated, a message will appear onthe DIC. See Security Messages onpage 5-44.Immobilizer OperationThis vehicle has a passivetheft-deterrent system.The system does not have to bemanually armed or disarmed.The vehicle is automaticallyimmobilized when the vehicle isturned off.The immobilization system isdisarmed when the pushbutton startis activated to enter the ACC/ACCESSORY mode or the ON/RUN/START mode and a validtransmitter is present in the vehicle.
