Trust me, that is one of my constant worries. Since the shop is "insurance approved" by my insurance company I hope to also have some recourse there, if anything happens. I did make regular visits to see the progress, but not being an expert, have to make a leap of faith (that could be off a cliff).

Hopefully, they'll have done a good job. If not, and too much hassle to resolve, I'll need to accept that it is just a car (and I don't mean this in a negative way) and trade for something better - maybe a roadster or SRT.

I figure the best shop can still do a lousy job and fair shop a great job. But when I bought the car I did search for reviews and ratings, and generally they faired OK. I also spoke to people who bought there and my own experience in the year I've had the car has generally been good.

For some personal comparisons:
I previously had a VW Passat and after I bought it the dealership no longer knew me.
My wife bought a new Subaru Forester and after 1 week a tire went bad and they refused to replace it (obvious defect, not damage).
We've had Volvos and they treated us like royalty - never a question on service issues, but you paid for it - to replace a broken headlight was $500.

So, cars can't live with 'em, can't drive without 'em...