Welcome to the forum!
Best place to start is the owners manual. Not sure I can be of much help - check the Remco web site to see if they say a Chrysler Crossfire can be towed four wheels down:
Store : Remco
I took a guess at the year (2008) and the results say it has to be trailer towed. Probably not what you wish to hear.
Joe and Debbie, Emma the Aussie Cattle Dog who adopted us
2012 Discovery 36J, Blue Ox and Air Force One, 2010 GMC Acadia Toad
USAF (Ret) WDØM http://wd0m.com