Do it yourself
Frequently asked questions about cars and motorcycles

Replacing Audi A3 Key Shell

Model: Audi A3 MK 2, 8P - Years 2003-2013
Part: Key

In today's tutorial, you will learn how to disassemble and replace the key shell on an Audi A3, as well as other models from the manufacturer (from 2005 to 2013). First, pry off the rear cover with something thin to remove the battery; then unscrew the screw found underneath and open the remote, removing the electronic board. At this point, remove the key and the transponder; simply transfer everything to the new shell by inserting the electronic board, the transponder, and the key along with its mechanism, as shown in the video!

Updated on 2 April 2026 by ScegliAuto

Video tutorial

Related tutorials

Audi A3 (2003-2013 / MK 2, 8P) We would like to point out that the battery replacement process for the key in this video is common to many cars, so it is not only valid for the Aud…
Audi A3 (2003-2013 / MK 2, 8P) You will find the fuse box in the passenger compartment of the Audi A3 8P behind a cover on the driver's side (left-hand drive), in the thickness of …
Audi A3 (2012-2019 / 8V, MK 3) Let's see how to proceed to replace the air filter of the Audi A3. Open the engine hood and release the plastic cover with the Audi logo, using plier…

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