how to program the liftmaster 371lm & 373lm remotes

Liftmaster, Raynor and Chamberlain garage door openers and radio receivers made between 2003-2011 that have a Purple Learn Button are compatible with the 371LM and 373LM Liftmaster remotes. Watch this video and we'll show you how to determine if your garage door operator or radio receiver is compatible with the 371LM or 373LM remotes and how to program them.