A multiple clock IC has a single, bi-directional clock IO pin for each internally generated clock signal, with the functionality of each bi-directional clock IO pin controllable to allow various modes of operation. A screen to display an image of the rear of a vehicle shot by a vehicle-mounted camera is divided into a main screen and a sub-screen. The method includes using the mold with a blank to create a spacer that includes an integral lens. A lancet body has a smoothly curved wave contour with at least one crest and at least one trough for engagement with a cooperating receiver of a lancing device.