Automatic Operation

The system automatically controls the fan speed, air delivery, air conditioning, and recirculation in order to heat or cool the vehicle to the desired temperature.

When the AUTO indicator light is on, the system is in full automatic operation. If the air delivery mode, fan speed, recirculation, or air conditioning setting is adjusted, the AUTO indicator turns off and the selected settings will appear on the display.

To place the system in automatic mode do the following:

1. Press AUTO.

2. Set the temperature. Allow the system time to stabilize. Adjust the temperature as needed for best comfort.

To improve fuel efficiency and to cool the vehicle faster, recirculation may be automatically selected in warm weather. The recirculation light will not come on. Press > to select recirculation; press it again to select outside air.

(Temperature TEMP Control): Press to increase or (Temperature Control): Press to increase or decrease the temperature.

    See also:

    Finish Damage
    Quickly repair minor chips and scratches with touch-up materials available from your dealer to avoid corrosion. Larger areas of finish damage can be corrected in your dealer's body and paint s ...

    Engine Drive Belt Routing
    4.2L V6 Engine 5.3L V8 Engine ...

    OnStar Overview
    If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system s ...