OnStar

See also:

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroi ...

Transmission
Automatic Transmission P: Park R: Reverse N: Neutral D: Drive Manual Mode Move the selector lever from D (Drive) to the left. Press the shift lever forward (+) to upshift or rearward (&# ...

Automatic Climate Control System
For vehicles with this system, it controls the heating, cooling, and ventilation. A. Power B. Temperature Control C. Fan Control D. Air Delivery Mode Control E. Recirculation F. AUTO (Automa ...