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 replace the key battery of an Audi A6

Model: Audi A6 MK 5, C8 - Years: 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Key

See other generations:
Video tutorial

In this very useful tutorial, we will see how to replace the battery of the key of an Audi A6, model produced from 2018 onwards. Let's start the operation by removing the physical key by pressing the appropriate unlock button and then extracting it from its slot.

Then, using a small flathead screwdriver, we lever from inside the key on the back cover of the remote to remove it as shown in the video. Once this is done, we can remove the old battery and replace it with a new one, then closing everything back up. The necessary battery is the CR2032 3V.


Posted on 10 May 2025 by ScegliAuto


Related tutorials

How to Replace the Key Battery in Your Audi RS6
How to Replace the Key Battery in Your Audi RS6
Audi A6 (2018-2026 / MK 5, C8) To replace the battery inside your Audi RS6 key, follow all the steps outlined in this guide. First, make sure you have a new CR2032 battery or purch…
How to Change the Key Battery of an Audi A6
How to Change the Key Battery of an Audi A6
Audi A6 (2011-2018 / C7, MK 4) How to change the remote key battery of an Audi A6. Let's see in this detailed video how to proceed. Take your remote and press the button to release…
How to Replace the Key Battery of the Audi A6
How to Replace the Key Battery of the Audi A6
Audi A6 (1997-2004 / MK 2, C5) Inside the key of your Audi A6 Mk2, there are two button batteries. Below, you will learn how to replace them quickly and safely. First, get a small …

How to Reset the AdBlue Warning Light on a Peugeot Boxer

To reset the AdBlue system on a 2018 Peugeot Boxer, follow these steps: Start the engine and ensure the vehicle is parked in a well-ventilated area. Locate the "MENU" button on the dashboard or steering wheel controls. Press and hold the "MENU" button until the menu options appear on the display. Use the arrow buttons or scroll wheel to access the "Vehicle Settings" or "Settings" menu. Select the "AdBlue" or "AdBlue System" option. Look for the "Recharge" or "Reset" option in the AdBlue menu. Once you find the reset option, select it and confirm your choice when prompted. The system will be reset, and a confirmation message may appear on the display. Turn off the engine and wait a few seconds. Restart the engine and check that the AdBlue system has been reset.

Watch the video!


by ScegliAuto

More videos