HOW to set a SEARS/Craftsman Garage Door Remote (139.53779) for a LIFTMASTER 1/2 HP Security + Garage Door Opener?
I have a LIFTMASTER 1/2 HP Security+ Garage Door Opener in the house I bought, BUT my previous house had SEARS/CRAFTSMAN Garage Door openers and my remotes are SEARS/Craftsman. ?? How do I set my SEARS/Craftsman garage door remotes (139.53779) to work on the LIFTMASTER garage door opener?