An exterior accessory assembly or module for a vehicle door assembly comprises an exterior rearview mirror andor door cap assembly, which may further include a cover member, a door handle, window frame, window seal andor an exterior rearview mirror assembly. The system includes a spine wall extending vertically from a surface of the open area. A method for producing a substrate of AlxGa1-xN, wherein 0<x\u22661, includes the steps of forming a layer of AlxGa1-xN, wherein 0<x\u22661, on a base material and removing the base material. The seat is more effective then prior art seals. An electrical measuring device detects a change in an electrical parameter between two of the terminals when ink is in the gap between the at least two terminals. The force sensor is located on one end of the control board.