This is a DIY on how to replace the battery in your Audi Advanced key fob, this will work for all Audi's that use this Advanced key fob.
It is very quick to change the battery in these Advanced keys, once you have done it you could easily change the battery within 10 seconds!
The keyless system drains your key fob battery quicker than a traditional remote key, but it is far more user friendly day to day.