See also:

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

What to Use
WARNING: Adding only plain water to the cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. The vehicle’s cool ...

Cooling System
The cooling system allows the engine to maintain the correct working temperature. 3.9L Engine A. Coolant Recovery Tank B. Radiator Pressure Cap C. Electric Engine Cooling Fans 4.6L Engine ...