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Frequently asked questions about cars and motorcycles

How to replace the battery of an Audi A5 key.

Model: Audi A5 8W6 - Years 2018-2025
Part: Key

In today's video tutorial, we are shown how to replace the key battery of an Audi A5, model B9, produced from 2016 to 2024. Let's start the procedure by extracting the physical emergency key by pressing the two release buttons on its sides. Next, we will remove the battery compartment by pressing the two tabs on its sides and then pulling it out of its housing, as shown in the video. Once this is done, we can remove the old battery and replace it with a new one. Finally, we close everything by following the reverse procedure.

Posted on 2 December 2025 by ScegliAuto

Video tutorial

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