To make your gate remote controls work with your electric gate kit, they must be programmed in to your gate / garage door opener control board so that it pairs with them. This is a relatively straight forward process which you can do yourself by following the instructions in the video tutorial below.
There are a couple of reasons you may find yourself needing to programme your remote controls for your Liftmaster electric gate kit; you may well lose a gate remote or you may want to add additional remotes to your system for friends and family. The standard Liftmaster control