Set up a ladder beneath the door opener motor. You might need to move your car to do this.
Take the remote you want to reprogram up the ladder to access the motor.
Press the "Learn" button on the side of the motor; the light above the button glows.
Hold the button on the remote that you want to operate the door within 30 seconds.
Release the button when the garage light blinks or you hear two clicks. The remote is now ready for use.
Hold the button on the remote that you want to operate the door.
Hold the light button on the indoor control panel in addition to the remote.
Hold the "Open" button on the indoor control panel. You should now be holding all three buttons together.
Release the button when the garage light blinks or you hear two clicks. The remote is now ready for use.