See also:

Engine Specifications
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Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Dual Automatic Climate Control System
A. Fan Control B. Power C. AUTO (Automatic Operation) D. ZONE E. Defrost F. Air Delivery Mode Control G. Driver and Passenger Temperature Controls H. Driver and Passenger Heated and Ventila ...