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How to Replace the Key Battery on the Volkswagen Polo

Model: Volkswagen Polo MK IV, Polo IV, Polo 4, MK 4, 9N - Years 2001-2009
Part: Key

To replace the button battery inside the analogue key of the Volkswagen Polo, follow these simple and quick steps. First, fully extract the physical emergency key. Then, remove the back cover with your hands and proceed to take out the old battery using a small flat screwdriver. Now, simply insert the new battery and reattach the back cover you removed earlier. Test the key's functionality by trying to open and close the car, and you are done.

Updated on 15 May 2026 by ScegliAuto

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