See also:

Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer. This can help to avoid situations that require heavy braking and sudden turns. ...

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-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box ...

Cooling System
The cooling system allows the engine to maintain the correct working temperature. A. Engine Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Cooling Fans (Out of View) WARNING An electr ...