Buick Key Fob Battery Replacement
Find the correct key fob battery size for your Buick. Select your model and year to see the exact replacement battery, or use our step-by-step replacement guide.
How to replace a Buick key fob battery
Most Buick key fobs use a small 3V coin-cell battery (such as CR2032 or CR2025). Open the fob along the seam, swap the battery with the same size, and snap it closed. See our full how-to guide or browse your model below to confirm the exact size.
Buick key fob battery sizes
These battery types are used in Buick key fobs. Not sure which one fits yours? Select your model and year below, or use our battery size guide.
Buick Models
Select your Buick model and year to find the exact battery for your key fob.
Find Your Exact Battery
Use our vehicle selector to find the exact battery for your Buick key fob.
