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How to Replace the Key Battery in the GMC Acadia

Model: GMC Acadia MK 2 - Years 2017-2024
Part: Key

Replacing the key battery in the GMC Acadia (2017-2021) is one of the simplest maintenance tasks you can perform on your own. Just follow the instructions in this guide. First, locate and press the metal button on the side of the cover to fully remove the emergency key. Next, get a flathead screwdriver and use it to open the cover. Once you have the old battery in front of you, simply replace it with a new one, and finally, reassemble everything correctly. Insert the key back in, and you're done.

Updated on 18 May 2026 by ScegliAuto

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