GMC Acadia 15919282 Owner's Manual page 452

This symbol appears before driving begins on the route
or if on a road where navigation guidance cannot be
given.
2-8
The distance and time to
destination symbol
indicates the distance and
the estimated time
remaining to the final
destination, depending on
the option selected.
The straight line to
distance symbol indicates
the straight-line distance
to the destination.
While in North Up mode, the vehicle icon follows the north
direction on the map regardless of which direction the
vehicle is traveling. Select this screen symbol to switch
between North Up, Heading Up, and 3–D view modes.
The shaded triangle indicates the North direction. While
in Heading Up mode the direction at the top of the screen
and the way the vehicle icon is heading indicates the
direction the vehicle is traveling. Select this screen
symbol to switch between Heading Up, North Up, and
3–D view modes.
Three-dimensional (3–D) view mode changes the
appearance of the map display to a road level view.
The north up symbol
indicates the map with
North Up, known as North
Up mode.
The heading up symbol
indicates that the vehicle is
traveling up on the map
and is known as Heading
Up mode.