A tractor includes an automatic driving device in a cabin, and a left console that houses the automatic driving device and includes an air flow port through which air can flow. In addition, the left console includes a lower console and an upper console adjacent to the lower console and defining the air flow port between the upper console and the lower console.

A vehicle dashboard assembly including a substrate secured to a vehicle body structure. A topper panel is operably coupled to the substrate. A register assembly is engaged with the topper panel. The register assembly is positioned on a top surface of the topper panel such that the register assembly is elevated relative to the topper panel. The register assembly includes a register carrier operably coupled to the substrate, wherein the register carrier defines an open area. A top cover is operably coupled to the register carrier, wherein top cover encloses the open area. A cap extends from the top cover to abut the topper panel, wherein the cap creates an interface with the topper panel to form a slope. The slope is configured to position the register assembly on top of the surface of the topper panel.