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How to Replace the Remote Battery of an Audi A4?

Model: Audi A4 B8 - Years 2007-2016
Part: Key

If the remote battery of your Audi A4 is dead and you don't know how to open it, follow this tutorial, which is also valid for other Audi models that share the same remote. First, extend the emergency metal key by pressing the designated top button, then insert the tip of a flathead screwdriver into the slot located on the bottom side, inside the ring. Pry it open to unlock the cover. At this point, completely remove the cover and proceed to replace the battery, model CR2032, ensuring you respect the correct polarity.

Updated on 30 April 2026 by ScegliAuto

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How to Replace the Remote Battery for the Volvo XC40?

In this tutorial, you will see how to replace the battery in the remote for the Volvo XC40, a very simple and quick operation. For this, you will need a replacement battery of type CR2032 and possibly a small flathead screwdriver. First, remove the front cover by pressing the button on the metal ring, then locate the second button, press it as well, and remove the opposite cover. Next, open the circular cap, take out the old battery, and insert the new one in the opposite direction. Finally, reassemble everything.

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