I have a message that someone wants to contact me about my car. There is no contract information or anything as to how I can contact them.
You may be able to access this information thru your phone company which keeps strict track of all calls for forensic purposes, is available by looking at your last phone bill, if you can wait that long.
If your phone has caller ID and your caller was nice enough to have an ID, then you could page back to find your caller-
Search General Questions