If you have a turbo timer installed, remove it completely, as it might block the system from going in to a programming mode. Unlock the car. Climb in and close the door. Insert the key into the ignition barrel and turn the ignition ON-OFF 3 times Pull the key out of the barrel then press the button on the new fob. Locks should now cycle on, off. Insert key back into the ignition barrel and turn the ignition ON-OFF 3 times. Pull the key out of the barrel and then press the button on the new fob. Locks should now cycle on, off. The fob is now programmed to the car, just double check by pressing the button on the fob a couple of times, the locks should go up and down.