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How to Replace the Key Fob Battery on the Buick Regal

Model: Buick Regal MK 6 - Years 2018-2023
Part: Key

To replace the key fob battery on this vehicle model, follow the instructions below for guidance. First, obtain a new CR 2032 battery. Then, extract the emergency key and, using the same key, pry in its slot to detach the back cover. This will give you access to the battery, which you can remove and replace with the new one, ensuring the polarity is correct. Finally, close the cover and reinsert the emergency key.

Updated on 22 July 2026 by ScegliAuto

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