Maps
This section includes basic information that you need to know about the map database.
The maps are stored on a compact flash drive that is built into the navigation system.
See also:
3-D Lane Guidance
Some major metropolitan areas may include a 3-D lane guidance feature for highway
exits and junctions. This feature gives you an enhanced representation of the exits
and junctions on the route. ...
Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn
guidance. See OnStar Overview or the navigation manual, if the vehicle has
navigation, for more information. ...
Weight of the Trailer Tongue
The tongue load (A) of any trailer is an important weight to measure because
it affects the total gross weight of the vehicle. The Gross Vehicle Weight
(GVW) includes the curb weight of the vehicle, ...






