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.

Like anything else relying on a battery, you car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace.

How to replace car key battery Most key fobs have a little slot you can use to pop them open with a small flatheaded screwdriver, a butter knife or another key.