Cleaning Car Battery Terminals With Coke. If your car battery suddenly stops working, using coca cola can be a very convenient way to clean the battery terminals. How to clean a corroded car battery with coca cola disconnect the battery cables if possible before beginning.
Wait for the coke to bubble and eat away at the rust and corrosion. This should take about a minute. The acid in coke will neutralize the corrosion on the battery and cables.
