Here's a link for the fuse locations
https://www.google.co.uk/amp/s/fuse-box.info/audi/audi-a5-s5-2010-2016-fuses
2010/11 is slightly different to 2012 - 16.
Is your mmi still working - radio, phone,....? Can you see the details on your dash?
You'll probably have to have to do some digging but checking the connections of your head unit would be a start. Probably in the glove box.