See also:

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

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 h ...

Climate Control System
A. Temperature Control B. Air Delivery Modes C. Fan Control D. Recirculation E. Air Conditioning F. Rear Window Defogger G. Defrost ...