Programming Instructions for 1999 GMC Sierra 1500 Remote Fob
Note: All existing GM transmitters will need to be reprogrammed during this procedure MKey Programming Information for 1999 GMC Sierra 1500
Do-It-Yourself programming procedure is not available for this vehicle. This vehicle requires a diagnostic equipment to be connected to the vehicle to program the key. You will need to find a local automotive locksmith or a dealer to program this key.Use our Locksmith Search if you need professional help.