Coverage areas vary with respect to the level of map detail available for any given area. Some areas feature greater levels of detail than others.
If this happens, it does not mean there is a problem with the system.
As the map data is updated, more detail can become available for areas that previously had limited detail.
Map Data Updates
Voice RecognitionVehicle Positioning
At times, the position of the vehicle on the map could be inaccurate due to one
or more of the following reasons:
• The road system has changed.
• The vehicle is driving on slippery road surfaces such as sand, gravel, or snow.
• The vehicle is traveling on winding roads or long straight roads.
...
Rear Bumper Fascia Guide Replacement
Preliminary Procedure
Remove the rear bumper fascia. Refer to Rear Bumper Fascia Replacement.
Rear Bumper Fascia Guide Rivet (Qty: 4)
Special Tools
BO-594-A Hand Rivet Tongs
For equivalent regional tools, refer to Special Tools.
Rear Bumper Fascia Guide
Rear Bumper Fascia Inner ...
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 ...