Why is my Genie garage door keypad not working after changing the battery?

There could be a few reasons why your Genie garage door keypad is not working after changing the battery. It's possible that the battery was not installed correctly, the keypad needs to be reprogrammed, or there may be a malfunction with the keypad itself. Try reinstalling the battery, following the keypad's programming instructions, or contacting Genie customer support for further assistance.