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How to replace the key battery of the Audi S4

Model: (Various brands) Various
Part: Key

If the key for your 2013 Audi S4 has suddenly stopped working and you want to replace the button battery inside, carefully read the following instructions and put them into practice. First, press the button located on the back of the cover while simultaneously pulling out the physical emergency key upwards. Next, remove the battery holder and replace the exhausted battery with a new one (model CR2032). Finally, reassemble everything correctly and you are done.

Updated on 6 July 2026 by ScegliAuto

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