Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Change the Key Fob Battery for Our Audi A4

Model: Audi A4 B7 - Years 2004-2008
Part: Key

How to change the key fob battery for our Audi A4? Let's see in this video how to do it in detail. Take your key fob and press the metal key extraction button. Once the metal key is out, insert a small screwdriver into both ends of the cover. Pry apart the two halves of the cover, then open one half of the cover and use a small screwdriver to remove the worn battery. Take a new battery of the same type and replace it. Reassemble the cover on your key fob by pressing on the key case until you hear it click into place. Check that the key functions correctly.

Updated on 27 February 2026 by ScegliAuto

Video tutorial

Related tutorials

Replace the Key Fob Battery on Audi A4 B6
Replace the Key Fob Battery on Audi A4 B6
Audi A4 (2000-2004 / B6) Let's go through the steps to disassemble and replace the key fob battery on the Audi A4 B6, second generation, in simple and quick steps. First, tak…
How to Change the Key Fob Battery of an Audi A4
How to Change the Key Fob Battery of an Audi A4
Audi A4 (2014-2024 / B9) How do you change the battery of the key fob for an Audi A4? Let's see in detail how to do it: take your key fob and press the button to release the …
Replacing Remote Control Battery on Audi A4 B9
Replacing Remote Control Battery on Audi A4 B9
Audi A4 (2014-2024 / B9) In this video, you will learn how to replace the battery in the remote control of your Audi A4. The first step is to press the black buttons on the s…

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