The context of the following conversation is Sydney needed a new car after she got into a bad accident and totalled her old one.:
Sydney says I now need a new car..
The friend responds Didn't you just buy one?.
Sydney responds Yes I did, but I ran into an accident..
The friend responds Don't tell me you wrecked it all up..
Sydney responds That is what exactly happened, the old one got completely written off. That is why I need a new one..
The friend responds Better be careful..