Black plate (20,1)Cadillac CTS Owner Manual (GMNA-Localizing-MidEast-6882317) - 2014 -CRC - 9/19/132-20 Keys, Doors, and WindowsIf the alarm has been activated, amessage will appear on the DIC.See Security Messages onpage 5-55.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.The security light, in the instrumentcluster, comes on if there is aproblem with arming or disarmingthe theft-deterrent system.The system has one or more RKEtransmitters matched to animmobilizer control unit in thevehicle. Only a correctly matchedRKE transmitter will start thevehicle. If the transmitter is everdamaged, you may not be able tostart your vehicle.When trying to start the vehicle, thesecurity light may come on brieflywhen the ignition is turned on.If the engine does not start and thesecurity light stays on, there is aproblem with the system. Turn theignition off and try again.If the vehicle will not change ignitionmodes (ACC/ACCESSORY, ON/RUN/START, OFF), and the RKEtransmitter appears to beundamaged, try another transmitter.Or, you may try placing thetransmitter in the transmitter pocketlocated in the center console. SeeKey and Lock Messages onpage 5-49.If the ignition modes will not changewith the other transmitter, yourvehicle needs service. If the ignitiondoes change modes, the firsttransmitter may be faulty. See yourdealer.
