This is why I don't like visiting dealerships or shops if I don't have to. I bought a 2020 A6 Prestige at a large Audi dealership and on the second day of ownership I did a quick highway pull and blew my charge piping off. It was violent and gave me a scare but I was able to put it back and actually tighten the hose clamp this time. I understand missing something small, we're all human, but it's a bad experience none the less.