think this way

How much you lost? the worst case it is less than 2k. I'm not saying it's nothing, but it is not worth getting urself down on it. u look back 10 yrs later, u will be amazed how big a deal it's to u now. But it's really not. Enjoy the life, enjoy the new car, at least it's not the car's fault :)

one lesson learned, u may want everything written down next time when u deal with people like car dealers. Other than that, move on with ur beautiful life.