Picture the following scenario. You pull up to your house after a long day at work. It’s hot outside, and all you want to do is park your car in the garage and get inside to some much-needed air conditioning. When you get to the garage door, you grab the opener to raise the garage door, and nothing happens. You click the opener again – and again. Frustrated, you continue to mash the buttons but don’t get any results. Most people would assume it’s the door opener remote. However, you soon find out that it seems like something much more complicated - you have to reprogram your LiftMaster Chamberlain garage door opener.