How do you clear the codes and then reset remote on sears craftsman garage door?

To clear the codes on a Sears Craftsman garage door opener, locate the "Learn" button on the motor unit, usually found near the antenna. Press and hold the "Learn" button until the indicator light turns off, which clears all remote codes. To reset the remote, press the "Learn" button again and then press the remote's button within 30 seconds to reprogram it. Make sure the remote is within range of the opener during this process.