An in-vehicle navigation system includes a receiver for receiving real-time traffic information, a database for storing routine trip information, and a processor for running a regular route application. The ducts are \u201ccross-flow\u201d in that they cross and bypass one another. The nozzle may be shrouded by a cover that is slightly spaced apart from the nozzle. The selection of which areas of the pie-based menu system should be omitted from use is adaptive and responsive to whether the user is left-handed or right-handed, and the wrist angle defined by the user’s posture.