Replacement 2 button flip key case for Audi A3 A4 A6 A8 ... (Lena Carson) Will Audi replace it for free whilst its still under warranty or do I have to do it myself?. I just replaced mine in my spare key tonight.. In this video I demonstrate how to remove the key remote battery to replace it.
Finally, let the key fob charge until you get to a place when you can replace the key fob battery.
You can order it online here Audi Keys & Remotes.
Does anybody know what type of battery I need and how to change it? Search just gave me junk results. Fob-less key does have a transponder inside but no battery or electronics (just the tiny glass tube).
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