Enter your desired four-digit personal identification number into the Chamberlain electronic keypad. Press the "Enter" button on the keypad and hold it down until directed to release it.
Press and hold the "Light" and "Push Bar" buttons on the Motion Detecting Door Control, while continuing to hold the "Enter" button on the electronic keypad.
Release the "Enter," "Light" and "Push Bar" buttons when you see the indicator lights on the garage door opener's motor unit flash. Note that flashing motor unit lights indicate that the keypad has been programmed successfully.