OnStar Services

See also:

Dual Automatic Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with this system. For vehicles with the remote start feature and it is activated, the climate control system heats or cools ...

Manual Operation
(Fan Control): Press the lower button to decrease the fan speed. Pressing the lower button longer turns the fan and cooling off. Press the upper button to increase the fan speed. The selected ...

To Use the Engine Coolant Heater
1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. 3.6L V6 Engine The electrical cord is located on the driver side of the engine compartment, between the fender and ...