I am a fairly new owner of a 2010 TT S line. Recently I was driving and the car stopped shifting. I turned it off and restarted and everything was fine. Toda while driving the car jumped out of gear and would not re-engage until the vehicle was restarted again. This time it shifted but not as smooth as usual. Was driven 25 miles this morning with no issues then this evening it acted up. Any ideas?

New Audi owner here. I am not that familiar with the inner workings