Chevrolet 2007 Avalanche Navigation Manual page 22

This symbol will appear before you start driving on
the route or if you are on a road where navigation
guidance cannot be given.
While in North Up mode, the vehicle icon will
follow the north direction on the map regardless of
which direction the vehicle is traveling. Select
this screen symbol to switch between North Up
and Heading Up modes.
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The straight line to
distance symbol
indicates the
straight-line distance
to your destination.
The north up symbol
indicates the map with
North Up, known as
North Up mode.
The shaded triangle indicates the North direction.
While in Heading Up mode, the direction your
vehicle is traveling will always be at the top of the
map screen. The vehicle icon will always be
headed in the direction your vehicle is traveling.
Select this screen symbol to switch between
Heading Up and North Up modes.
The heading up symbol
indicates the map with
the vehicle travel
direction up, known as
Heading Up mode.