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How to Replace the Key Fob Battery of an Audi A3

Model: Audi A3 8P, MK 2 - Years: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Part: Key

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Video tutorial

How to replace the key fob battery of an Audi A3? Follow these steps: take your key fob and press the button to release the metal key. Once extracted, use a lever to separate the two covers as shown in the video. Remove the worn battery from the housing (after separating the two halves of the covers), take a new one of the same size and voltage.

Refit the plastic battery holder into the key fob cover, then insert the metal key back into the cover. Check that the key fob functions correctly.


Updated on 1 March 2026 by ScegliAuto


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How to Open the Fuel Filler Flap in the Hyundai i30?

In this tutorial, you will learn how to open the fuel filler flap in the Hyundai i30, a very simple operation that follows the typical procedure of most vehicles. First, unlock the locks using the designated button on the remote, then open the driver's door, locate the release lever on the left side of the seat, and operate it. Next, move to the fuel filler flap, open it completely, unscrew the cap, and refuel as needed. To close the flap, simply press it gently.

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by ScegliAuto

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