Programming Instructions:
Note: This is the same for many GM vehicles.
Sit in the driver’s seat. Insert the key into the ignition but don’t turn it. Push and hold the “Lock” button on the door. Continue to hold it. Turn the key to on, off, and then back to on, rapidly. Release the “Lock” button. The doors will sound. The remote is ready to be programmed. Push and hold “Unlock” and “Lock” on the remote for 20 seconds. The remote is programmed to the vehicle.
Followed your instructions and my remote would not program.
I have try setting this remote by the instruction and nothing works,, Could some one help with this would really appreciation you help. Thanks hoping to hear from you,,,, Bruce
Marlene Jenkins 2703144600. Cannot get anything to work
Followed your directions, got the trunk button to work, just not the door or the alarm….
This procedure does NOT work on 2008 and newer Cobalts. The car MUST be taken to the dealer to reprogram the remote keyless entry (RKE) key fobs.
I tried it on my 09 Cobalt and its not working. Any ideas?