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    4. : The key battery light on Audi A3 comes on: what does it mean?

The key battery light on Audi A3 comes on: what does it mean?
The key battery light on Audi A3 comes on: what does it mean?

Years: 2012-2019
If the light relating to the key battery comes on on your Audi A3 panel, it means that the key needs to be changed (it is very simple, just pry the center line of the key to open it). Sometimes, however, the warning light continues to turn on: it is an error in the control unit, give it a few days and it will reset.

Video

How to Reset the Key Battery Warning Light on Audi A3?
How to Reset the Key Battery Warning Light on Audi A3?
Audi A3 (2012-2019 / 8V, MK 3)
When the key battery warning light appears on the Audi A3 instrument panel, it means the battery needs to be replaced: replacing it will make the war…
Replacing the Remote Battery of Audi A3
Replacing the Remote Battery of Audi A3
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 …
How to Change the Key Battery of an Audi A3?
How to Change the Key Battery of an Audi A3?
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…

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