2013 Chevrolet Express 1500 Cargo Owner Manual - Page 38

2-12 Keys, Doors, and Windows vehicle does start, the first key may be faulty. See your dealer or a locksmith who can service the PASS-Key III+ to have a new key made. It is possible for the PASS-Key III+ decoder to learn the transponder value of a new or replacement key. Up to 10 keys may be programmed for the vehicle. This procedure is for learning additional keys only. If all the currently programmed keys are lost or do not operate, you must see your dealer or a locksmith who can service PASS-Key III+ to have keys made and programmed to the system. See your dealer or a locksmith who can service PASS-Key III+ to get a new key blank that is cut exactly as the ignition key that operates the system. To program the new key: 1. Verify the new key has stamped on it. The security light will come on if there is a problem with arming or disarming the theft-deterrent system. When the PASS-Key III+ system senses that someone is using the wrong key, it shuts down the vehicle's starter and fuel systems. The starter will not work and fuel will stop being delivered to the engine. Anyone using a trial-and-error method to start the vehicle will be discouraged because of the high number of electrical key codes. If the engine does not start and the security message comes on, the key may have a damaged transponder. Turn the ignition off and try again. If the engine still does not start, and the key appears to be undamaged, try another ignition key. If the engine still does not start with the other key, the vehicle needs service. If the 1 2. Insert the original, already programmed key into the ignition lock cylinder and start the engine. If the engine will not start, see your dealer for service. 3. After the engine has started, turn the key to LOCK/OFF and remove the key. 4. Insert the key to be programmed and turn it to ON/RUN within 10 seconds of removing the previous key. The security message will turn off once the key has been programmed. It may not be apparent that the security message went on due to how quickly the key is programmed.