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How to Replace the Key Battery in an Audi Q8

Model: Audi Q8 MK 1 - Years 2018-2025
Part: Key

If the smart key for your new Audi Q8 suddenly stops working, don't rush to buy a new one because the solution might be much simpler and more economical. Often, it's caused by a dead battery. Let's see how to replace it quickly and easily. First, remove the back cover (you can use a small flathead screwdriver for assistance). Next, take out the old battery and insert the new one, ensuring it is compatible with your key. Finally, reassemble the back cover correctly, and you're done.

Updated on 14 May 2026 by ScegliAuto

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