See also:

SERVICE PARKING BRAKE
This message is displayed when there is a problem with the electric parking brake. See Parking Brake for more information. Take the vehicle to your dealer. ...

Fuel System Messages
FUEL LEVEL LOW This message displays when the vehicle is low on fuel. Refuel as soon as possible. ...

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 ...