PIVOTABLE SILL FOR A VEHICLE

A vehicle assembly includes, among other things, a cab back panel assembly pivotably coupled to a cab of a vehicle, and a sill assembly that includes a portion of a securing system. The sill assembly is pivotably coupled to the vehicle. The sill assembly is pivotable back and forth between a latching position where the cab back panel assembly can engage the portion of the sill assembly and a stowed position.