See also:

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 ...

Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push to try the call again or try again after driving a few miles into another ce ...

Range Selection Mode
Range Selection Mode The Range Selection Mode switch, if equipped, is located on the shift lever. To enable the Range Selection feature: 1. Move the column shift lever to the M(Manual) position ...