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How to Change the Key Fob Battery on a Vehicle

Model: (Various brands) Various
Part: Key

Video tutorial

Today, learn how to replace the battery in your car's key fob. To perform this operation, extract the metal key from the fob by firmly pulling the upper part. Then, insert a flathead screwdriver or the key itself into the fob to lever it open and replace the battery.

Insert the new battery and then close the fob. Reinsert the key into the fob and test its functionality near the vehicle. This procedure is the same for many key fob models.


Updated on 1 October 2026 by ScegliAuto


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by ScegliAuto

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