Black plate (15,1)Cadillac Escalade/Escalade ESV Owner Manual - 2011Keys, Doors and Windows 2-15Immobilizer OperationThis vehicle has PASS-Key ® III+(Personalized Automotive SecuritySystem) theft-deterrent system.PASS-Key III+ is a passivetheft-deterrent system.The system is automatically armedwhen the key is removed from theignition.The system is automaticallydisarmed when the key is turnedto ON/RUN, ACC/ACCESSORY,or START from the LOCK/OFFposition.You do not have to manually arm ordisarm the system.The security light will come on ifthere is a problem with arming ordisarming the theft-deterrentsystem.When the PASS-Key III+ systemsenses that someone is using thewrong key, it prevents the vehiclefrom starting. Anyone using atrial-and-error method to start thevehicle will be discouraged becauseof the high number of electrical keycodes.If the engine does not start and thesecurity light on the instrumentpanel cluster comes on when tryingto start the vehicle, there may be aproblem with the theft-deterrentsystem. Turn the ignition off and tryagain.If the engine still does not start, andthe key appears to be undamaged,try another ignition key. At this time,you may also want to check thefuse. See Fuses and CircuitBreakers on page 10‑39. If theengine still does not start with theother key, the vehicle needs service.If the vehicle does start, the first keymay be faulty. See your dealer whocan service the PASS-Key III+ tohave a new key made.It is possible for the PASS-Key III+decoder to learn the transpondervalue of a new or replacement key.Up to 10 keys may be programmedfor the vehicle. The followingprocedure is for programmingadditional keys only. If all thecurrently programmed keys are lostor do not operate, you must seeyour dealer or a locksmith who canservice PASS-Key III+ to have keysmade and programmed to thesystem.See your dealer or a locksmith whocan service PASS-Key III+ to get anew key blank cut exactly as theignition key that operates thesystem.To program the new additional key:1. Verify that the new key hasa 1 stamped on it.2. Insert the original, alreadyprogrammed key in the ignitionand start the engine. If theengine will not start, see yourdealer for service.InformationProvidedby:
