Do it yourself
Frequently asked questions about cars and motorcycles

Replacement of the Audi A3 key remote battery

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

See other generations:
Video tutorial

Today's procedure will show us how to disassemble and replace the battery of the key remote for the Audi A3, in simple steps. First, we take our remote and begin to extract the physical key from inside it; then we remove the battery tray found inside, as shown in the video.

At this point, we remove the battery and replace it with a new one of the correct type (in this case a CR 2032 3V); insert it in the correct direction and reassemble the remote, inserting the key and checking the functionality of the buttons.


Posted on 5 March 2025 by ScegliAuto


Related tutorials

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…
Audi A3 (2020-2026 / MK 4, 8Y) The procedure for replacing the battery in the key fob of an Audi A3 requires a few simple steps. First, extract the metal key from inside the fob: t…
Audi A3 (2003-2013 / 8P, MK 2) Today we will explain how to replace the battery of the RS model remote control for the Audi A3. The battery we will use is a CR 2032. Pull up the to…

    Frequently Asked Questions

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

How to Open the Fuel Filler Flap in the Hyundai i30?

In this tutorial, you will learn how to open the fuel filler flap in the Hyundai i30, a very simple operation that follows the typical procedure of most vehicles. First, unlock the locks using the designated button on the remote, then open the driver's door, locate the release lever on the left side of the seat, and operate it. Next, move to the fuel filler flap, open it completely, unscrew the cap, and refuel as needed. To close the flap, simply press it gently.

Watch the video!


by ScegliAuto

More videos