GPSM 4000 Automobile Navigator features plug and Go no downloads necessary, over 7 million points-of-interest. iA.S.A.P. technology allows faster acquisition and uninterrupted satellite signal reception. Full North American (U.S. and Canadian) street-level detail map on board and ready to use. 3D and Terrain maps, choose from 2D view, 3D bird's eye view or Terrain view maps.