How do I open my LiftMaster Remote Control to change the battery is one of the more common questions we receive at Door Openers and More. If you have a LiftMaster remote form the Mid 1990’s through present day your remote uses the CR2032 coin style battery, this would encompass many of their most popular remote controls including: 371LM, 971LM, 373LM, 973LM, 891LM, and 893MAX to name just a few. Chaning the battery take very little time you just need to know how to pry the case apart to access the battery. Follow the simply steps in the video below to turn your headache into a high five.