A body molding with integral lock feature that is located within a channel formed in a body of a vehicle includes an elongated cover portion that is generally planar, with opposed side edges, an upper surface and a lower surface and opposed side edges. The monitoring structure has a shape correlated with a shape of the microlens. The planetary differential unit includes a planet carrier drivingly coupled to the input shaft and rotatably supporting at least one planet gear, a sun gear drivingly coupled to the at least one planet gear and a ring gear drivingly coupled the first output shaft, the sun gear drivingly coupled to the second output shaft.