An automotive vehicle fascia assembly is provided. To protect the pre-assembled components from damage prior to and during installation, pre-assembled components may be enclosed within a protective housing. The buffer layer comprises substantially no pin-hole defects and may have a thickness, for example, that is less than approximately 5. An external control lever is integral with one of the trunnions. If the slice of the gears of the circle-tooth is made as the helical gear by the detailed lamination, the mesh from which the phase shifted exists in that pitch point, and the action of the gears are limited at a zero-backlash-part.