2009 GMC Acadia Owner's Manual - Page 451

Symbols The following symbols are the most common symbols that appear on a map screen. The vehicle is shown as this symbol. It indicates the current position and the direction the vehicle is traveling on the map. The waypoint symbol displays on the map after a stopover has been added to the route. The waypoint symbols are numbered one through three, depending on how many stopovers have been set. This symbol appears when the time to the destination is not available or while you are scrolling on the map. The distance to destination symbol indicates the distance to the final destination. 2-7