How To Change The Battery In A Chevrolet Key Fob. This type of key fob is common on many Chevrolet models such as the Camara Cruze Equinox Volt and others from the model years 2010 to 2016. Locate the small gap on the edge of the key fob.

Pull out the old dead battery and replace it with a new CR2032 3V battery. Either slide the key out or spring it away from the fob. Once the two halves have been separated youll be able to see the remote control unit green circuit board and the old battery in its socket attached to the rear cover.
Make sure to align the new battery in the same position as the previous one.
Use a flat-head screwdriver for popping out the back cover of the key fob. Use a flat-head screwdriver for popping out the back cover of the key fob. Use the small flat head screwdriver from the jewelers screwdriver set to gently pry out the old battery from its socket. Install the new battery with the Positive side facing you.
