This section includes basic information about the map database.
The data is stored in the internal flash memory that is used in the navigation system.
Detailed Areas
Road network attributes are contained in the map database for detailed areas. Attributes include information such as street names, street addresses, and turn restrictions. A detailed area includes all major highways, service roads, and residential roads. The detailed areas include points of interest (POIs) such as restaurants, airports, banks, hospitals, police stations, gas stations, tourist attractions, and historical monuments. The map database may not include data for newly constructed areas or map database corrections. The navigation system provides full route guidance in the detailed map areas.
Navigation Symbols
Following are the most common symbols that appear on a map screen.
The vehicle symbol indicates the current position and heading direction of the
vehicle on the map.
The destination symbol marks the final destination after a route has been planned.
The waypoint symbol marks one or more se ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Press to receive directions or have
them sent to the vehicle navigation screen, if equipped.
Destinations can also be forwarded to the vehicle from MapQuest.com.
The OnStar mapping database is continuously updated. For cov ...
Destination
If route guidance is not active, press the Destination Entry screen button on
the Home Page to access the Destination Entry screen. Several options can be selected
to plan a route by entering destinations.
Some destination entry items such as Previous Destinations, Address Book, and
My Home ...