Be especially careful about the installation of the tow bar base plate on the Liberty. Make sure it is professionally installed and checked frequently. We have pulled a Blue Ox base plate completely off our 2003 Liberty Twice! The metal in box beams that the base plate is attached to is very thin. I can send you photos by PM.
Camping World was unable to install a Invis-Brake under the driver's seat but installed it on the floor behind the seat.