2004 Chevrolet Malibu Owner's Manual - Page 144

When the weather is cool or damp, operating the system in recirculation for extended periods of time may cause fogging of the vehicle's windows. To clear the fog, select either defog or defrost. Make sure the air conditioning is on. You will want to allow the air conditioning to run automatically to help dehumidify the air. Temperature Control: Press the up and down arrows to increase or decrease the temperature inside the vehicle. On cool, but sunny days while using manual operation of the automatic system, use bi-level to deliver warm air to the floor and cooler air to the instrument panel outlets. To warm or cool the air delivered, press the temperature buttons to the desired setting. In AUTO mode the system will cool and dehumidify the air inside the vehicle. Also while in AUTO mode, the system will maximize its performance by using recirculation as necessary. Heating: On cold days when using manual operation of the automatic system, choose floor mode to deliver air to the floor outlets. To warm or cool the air delivered, push the temperature buttons to the desired setting. If you want to use the automatic mode, turn the knob to AUTO and adjust the temperature by pressing the temperature buttons. The heater works best if you keep the windows closed while using it. #(Air Conditioning): Press this button to turn the air conditioning compressor on and off. A light above the button will illuminate when the air conditioning is on When air conditioning is selected or in AUTO mode, the system will run the air conditioning automatically to cool and dehumidify the air entering the vehicle. On hot days, open the windows long enough to let hot inside air escape. This reduces the time it takes for your vehicle to cool down. Then keep your windows closed for the air conditioner to work its best. 3-28