If a visual of the battery replacement is needed, the YouTube video on changing the battery in a mid-to-late 2010s Chevrolet Equinox key fob shows how to pop the battery out and place in the new one.

On modern Chevrolet key fobs, the key itself is used as a tool to help you swap out the old battery for a new one.

If you can sniff out the communications that are going on during the programming you should be able to build and pair your own devices with a vehicle. Wouldn’t it be nice to incorporate your ...