Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Remote Battery for Audi

Model: Audi A3 Sportback MK 2 - Years 2003-2013
Part: Key

Today, we will explain how to replace the battery in the remote of our Audi. As the first step, open your key, and using a non-sharp object, pry from the inside out to open the cover as shown in the video description. After performing this operation, you will immediately see the battery to be replaced with one of the same size and voltage. Remove the flat battery, insert the new one, and close the cover cap that was removed earlier. Finally, test your key with the newly replaced battery to ensure it functions correctly.

Updated on 5 May 2026 by ScegliAuto

Video tutorial

Related tutorials

Audi A3 Sportback (2012-2019 / MK 3) In this video tutorial, we will see how to disassemble and replace the battery of the key remote on an Audi A3 Sportback. First, take the remote in h…
Audi A3 Sportback (2012-2019 / MK 3) Let’s discover the steps to dismantle the key remote and replace the battery for the Audi A3 Sportback, as well as the A4, A5, and A6. First, take th…
Audi A3 Sportback (2012-2019 / MK 3) Replacing the remote battery in an Audi A3 Sportback is a straightforward task; here’s how to do it. Remove the plastic cover under the Audi logo by …

Other guides you may be interested in

How to Reset the Central Locking of the Volkswagen Golf 4?

If the central locking system of the Volkswagen Golf 4 is not working, it is likely necessary to reset the system: to do this, open the driver's door and detach the side panel of the dashboard next to the steering wheel. Under this panel, you will find the fuses, including the one for the central locking, which is indicated in the manual as number 14. To reset the system, remove this fuse from its housing, then reinsert it or replace it with a new one of the same amperage: this will reset the central locking system.

Watch the video!


by ScegliAuto

More videos