Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Remote Battery of the Audi A3?

Model: Audi A3 8V, MK 3 - Years 2012-2019
Part: Key

In this video, you can see how to replace the remote battery of the Audi A3. For this simple operation, you will need a small flat-head screwdriver and, of course, a replacement battery of type CR2032. First, extend the emergency key by pressing the designated button, then insert the screwdriver tip into the indicated slot and unlock the rear cover by prying it open. At this point, using the screwdriver again, remove the old battery and insert the new one, ensuring the positive terminal is facing you.

Updated on 8 May 2026 by ScegliAuto

Video tutorial

Related tutorials

Audi A3 (2003-2013 / MK 2, 8P) To replace the battery in an AUDI A3 remote control, you will need to obtain a Duracell model 2032 battery. First, extract the emergency key to gain …
Audi A3 (2003-2013 / MK 2, 8P) Need to replace the battery in your Audi A3 key? Let’s look at how to replace the battery. Take your remote key and, using a screwdriver, pry between…
Audi A3 (2020-2026 / 8Y, MK 4) The procedure for replacing the battery in the key fob of an Audi A3 requires a few simple steps. First, extract the metal key from inside the fob: t…

Other guides you may be interested in

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.

Watch the video!


by ScegliAuto

More videos