If your garage door opener operates via remote control you can remove the old batteries by simply sliding the door located at the back of the remote control.
Change garage door opener battery.
This remote uses cr2032 battery.
How to change the battery on a liftmaster door opener remote.
Insert a screw driver tip in it and slightly twist it it will remove the top of the case.
Step 2 replace the batteries.
Repeat the same process for the remote taking out the old batteries and replacing them with new ones.
That garage door remote control is an extremely handy little gadget allowing you to open and close your garage door without ever leaving your car.
Check again and see if your door is opening.
To replace the battery open the case.
There is a slide on the side of the remote.
If you use a garage door remote and the door still isn t opening then it may be the batteries in the remote that are dead.
Other types of remote controls have screwed in locks at the back so you may need to use a screwdriver to get the batteries out.
Like most electronic gadgets these days your garage door opener remote is operated by a battery.