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Replacing Remote Key Battery for Audi A4, A5, A6, Q5

Model: Audi A4 B9 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Key

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Video tutorial

In today's video, you will learn how to disassemble and replace the battery in the remote key for various Audi models (A4, A5, A6, Q5, and others). First, take your remote key and extract the key from it. Then, use a lever to open the remote key into two parts to access the internal battery.

At this point, use a lever to remove the old battery and replace it with a new one of the correct type (usually a 2032). Then, insert it in the correct orientation and close the two halves of the remote key, as shown in the tutorial video!


Updated on 31 March 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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