Black plate (16,1)Cadillac CTS Owner Manual (GMNA-Localizing-Europe-8087685) - 2015 -crc - 8/13/142-16 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 boot, or thebonnet is opened without firstdisarming the system. When thealarm is activated, the indicatorsflash and the horn sounds for about30 seconds. The alarm system willthen re-arm to monitor the nextunauthorised 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 on the transmitterand the horn chirps and the lightsflash three times, a previous alarmoccurred while the system wasarmed.If the alarm has been activated, amessage will appear on the DIC.See Security Messages onpage 5-45.Power Sounder, InclinationSensor and Intrusion SensorIn addition to the standardtheft-deterrent system features, thissystem also has a power sounderinclination sensor and intrusionsensor.The power sounder provides anaudible alarm which is different fromthe vehicle's horn. It has its ownpower source, and can sound analarm when the vehicle's battery iscompromised.