2011 Chevrolet Impala Owner's Manual - Page 205

Climate Controls To change the current mode, select one of the following: the side window vents and the floor vents. When defrost is selected, the system automatically forces outside air into the vehicle. The air conditioning compressor will run automatically in this setting, unless the outside temperature is below 4°C (40°F). 8-3 For quick cool down on hot days, do the following: 1. Select the 2. H (Vent): Air is directed to the instrument panel outlets. ) (Bi-Level): 6 (Floor): Air is divided between the instrument panel outlets and the floor outlets. Air is directed to the floor outlets, with some of the air directed to the windshield and side window outlets. In this mode, the system automatically selects outside air. H mode. Press the # button. 9 speed. 3. Select the coolest temperature for both zones. 4. Select the highest - (Defog): This mode clears the windshield of fog or moisture. Air is directed equally to the windshield and the floor outlets. When defog is selected, the system turns off recirculation and runs the air conditioning compressor unless the outside temperature is below 4°C (40°F). This mode clears the windshield of fog or frost more quickly. Air is directed to the windshield with some air to # (Air Conditioning): Press to turn the air conditioning system on or off. An indicator light comes on to show that it is on. The air conditioning can be selected in any mode as long as the fan is on and the outside temperature is above freezing. A flashing indicator light indicates that the air conditioning compressor is currently not available. On hot days, open the windows to let hot inside air escape; then close them. This helps to reduce the time it takes for the vehicle to cool down. It also helps the system to operate more efficiently. 5. When the coolest temperature is selected in the A/C mode, the system automatically goes into the recirculation mode to improve cooling. Using these settings together for long periods of time may cause the air inside the vehicle to become too dry. To prevent this from happening, after the air inside the vehicle has cooled, turn the recirculation mode off. The air conditioning system removes moisture from the air, so a small amount of water may drip under the vehicle while idling or after turning off the engine. This is normal. 0 (Defrost):