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How to Change the Key Fob Battery of an Audi A4

Model: Audi A4 B9 - Years 2014-2024
Part: Key

How do you change the battery of the key fob for an Audi A4? Let's see in detail how to do it: take your key fob and press the button to release the metal key. Once the key is extracted, use a lever to separate the battery holder from the key cover. Remove the worn battery from the compartment (after separating the two halves of the cover), take a new one of the same size and voltage. Reassemble the plastic battery holder into the key fob cover, and finally insert the metal key back into the cover. Check the proper functioning of the key fob.

Updated on 11 March 2026 by ScegliAuto

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by ScegliAuto

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