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How to Replace the Key Fob Battery for the Audi A4 B5?

Model: Audi A4 B5 - Years 1994-2000
Part: Key

To replace the key fob battery for the Audi A4 B5, pry open the small grooves located on the upper side of the device. This will allow you to separate the two halves of the key fob, giving you access to the battery inside. You can then remove the old battery from its housing and replace it with a new one. After the replacement, close the two halves of the key fob. Finally, ensure that the battery is installed correctly and check that the device functions.

Updated on 9 July 2026 by ScegliAuto

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