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 is cell ...

Under the Hood
General Motors offers a selection of five engines to accommodate a variety of cargo- and passenger-hauling requirements. Choices begin with a 200-horsepower, 4.3-liter V-6 for the G1500 van. Depen ...

Engine Coolant Heater
The engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should be plugged ...