Do it yourself
Frequently asked questions about cars and motorcycles

Replacing Remote Key Battery for Audi A4, A5, A6, Q5

Model: Audi A4 B9 - Years 2014-2024
Part: Key

In today's video, you will learn how to disassemble and replace the battery in the remote key for various Audi models (A4, A5, A6, Q5, and others). First, take your remote key and extract the key from it. Then, use a lever to open the remote key into two parts to access the internal battery. At this point, use a lever to remove the old battery and replace it with a new one of the correct type (usually a 2032). Then, insert it in the correct orientation and close the two halves of the remote key, as shown in the tutorial video!

Updated on 31 March 2026 by ScegliAuto

Video tutorial

Related tutorials

Audi A4 (2014-2024 / B9) Today's step-by-step instructions will show us how to disassemble and replace the battery of the key remote for the Audi A4. First, we take our remot…
Audi A4 (2000-2004 / B6) In this video tutorial, you will see instructions on how to disassemble and replace the battery in the remote key fob of an Audi A4 B6. First, take y…
Audi A4 (2014-2024 / B9) One of the main causes of a car remote not functioning properly is simply a dead battery, and today we will explain how to replace the battery on the…

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