My experience with Rosenthal is that they are the Kings of Douchebags of the auto business, which is saying something. Them and Ourisman, without a doubt, are on my shit list.
There isn't much you can do but blog, put out the word with family, friends, etc, although Fairfax Co does have a Consumer Protection Division. They might not be able to do much, more often that not that's the case as the
Forum:
Fairfax County General