Do it yourself
Frequently asked questions about cars and motorcycles

How to replace the battery of the Audi A3 8V key

Model: Audi A3 8V, MK 3 - Years: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Part: Key

See other generations:
Video tutorial

To replace the battery in the key of your Audi A3 8v, you only need a flathead screwdriver and, of course, a new perfectly compatible battery, specifically a CR2032 model battery. Once you have these two items, you can use the flathead screwdriver to easily remove the back cover of the key, then locate the exhausted battery and remove it using the screwdriver again.

Finally, insert the new battery and reassemble the back cover of the key correctly to complete the procedure.


Posted on 10 October 2025 by ScegliAuto


Related tutorials

Audi A3 (1996-2003 / MK 1, 8L) Replacing the key of an Audi A3? Here’s how to disassemble the battery inside the remote key. Take your ignition key and press the button to release …
Audi A3 (2020-2026 / MK 4, 8Y) Changing the remote key battery for the Audi A3 is very simple and can be done by anyone. As shown in the video, all you need is a flat tool to lever…
Audi A3 (2003-2013 / 8P, MK 2) Need to replace the battery in your Audi A3 key? Let’s look at how to replace the battery. Take your remote key and, using a screwdriver, pry between…

    Frequently Asked Questions

    • A3 2012-2019 - The key battery light on Audi A3 comes on: what does it mean? Read answer

How to reset the tyre pressure warning light on the Kia Niro EV?

To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

Watch the video!


by ScegliAuto

More videos