What Battery Do Car Keys Use? Find the Right Coin Cell
Most car keys and key fobs use a 3-volt lithium coin-cell battery, with the CR2032 being the most common size. Some remotes use CR2025, CR2016, CR1632, CR2450, or a manufacturer-specific equivalent, so the number printed on the old battery or listed in the owner’s manual determines the correct replacement. Key Facts A CR2032 is a […]