California Code, Vehicle Code - VEH § 585

A “station wagon” is a dual purpose vehicle designed for the transportation of persons and also designed in such a manner that the seats may be removed or folded out of the way for the purpose of increasing the property carrying space within the vehicle. The term includes, but is not limited to, types of vehicles which carry the trade names of station wagon, estate wagon, town and country wagon, and country sedan.A vehicle used primarily for the transportation of cadavers to or from a funeral home, mortuary, or burial site is not a station wagon.