As used in this subsection, "pickup truck" means a light truck that has a cab on the front part of the vehicle covering the driver's seat and an open bed behind the cab designed primarily to transport property or cargo, with sides and a tailgate to retain the contents within the confines of the bed, and has a maximum gross vehicle weight rating (GVWR) of 11,000 pounds or less.
Haw. Code R. § 19-43-4