Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system.
When ready, the directions will be downloaded to the vehicle.
Destination Download: Push 
,
then request the Advisor to
download directions to the
navigation system in the vehicle.
After the call ends, push the “Go” button on the navigation screen to begin driving directions.
Destinations can also be downloaded on the go.
For information about eNav, Destination Download, and coverage maps visit www.onstar.com.
See also:
Fuses and Circuit
Breakers
The wiring circuits in the vehicle are
protected from short circuits by a
combination of fuses and circuit
breakers. This greatly reduces the
chance of damage caused by
electrical problems.
...
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep
downgrade. If the transmission is not shifted down, the brakes might have to be
used so much that they would get hot and n ...
Engine Fan
The vehicle has electric cooling fans. The fans spinning at low speed during
most everyday driving might be heard. The fans can turn off if no cooling is required.
Under heavy vehicle loading, tra ...