US Patent 8170790 Apparatus for switching navigation device mode

A portable navigation device operable to present a plurality of operating modes. The device may include a display; a location determining component operable to determine a current geographic location of the navigation device; mount detection circuitry operable to determine a mounting status of the navigation device; and a processor coupled with the location determining component, the mount detection circuitry, and the display. The processor is operable to select one of a plurality of operating modes based on the determined mounting status and present information specific to the selected operating modes on the display.