Audi brought in for repair leaking wiper fluid res...

Audi brought in for repair leaking wiper fluid reservoir under warranty. In the garage they replace the wrong bowel (there is also one to the xenon lamps). So have to drive back, but ok. When my mum comes back home with the car, they forgot the decorative caps of the wheel bolts. Ridden back and asked for a small compensation. As an answer from the responsible manager, I was not obliged to return to them for my repair. This is also the case for the future and I certainly do not recommend this garage. Very sorry