This guide explains how to properly replace the battery in the 2018 Spark key. Follow these steps to put a new battery into the 2018 Chevy Spark key.

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.

Batteries fade and die over time, but but changing the cell in your Chevrolet key fob doesn't have to be difficult.