Open the battery compartment cover on your new Craftsman 53778 remote. Open the battery compartment of your existing remote.
Slide the code switches in your new replacement remote to match those on your existing remote.
Reinstall the battery and cover on your new remote and existing remotes.
Locate the SR code button on the back of your garage door receiver. The button is located on the back of your garage door motor. Press the button until the indicator light located next to the button is illuminated.
Stand clear of the garage door, track and motor. Press the desired button on your new remote. The garage door will operate, moving up or down. Repeat these steps to program any remaining doors or remotes.
- Verify that all remote transmitters are set to the same Dip-switch settings for proper operation.