See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Trailer Wiring Harness
Heavy-Duty Trailer Wiring Harness Package The vehicle has a seven-pin universal heavy-duty trailer connector attached to the rear bumper beam next to the integrated trailer hitch. The seven-wire ...

Meet the Wedge
The CTS sedan's exterior is angular, but the new CTS coupe takes the design theme to a new level. There are creases everywhere, and while most meet and intersect to create a unique-looking coupe t ...