See also:

Inadvertent Power Battery Saver
This feature is designed to protect your vehicle’s battery against drainage from the interior lamps, or garage door opener. When the ignition is turned off, the power to these features will au ...

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING: Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine ...

Automatic Operation
AUTO (Automatic Fan): When AUTO is selected on the fan control, the system automatically adjusts the fan speed. If the OnStar® system is activated when this position is selected, the fan speed ...