2001 Chevrolet Impala Owner's Manual - Page 174

Dual ComforTemp (If Equipped) t Climate Control Driver's Temperature Lever The lever on the left adjusts the air temperature on the driver's side independent of the temperature set by the passenger. Slide the lever upward to raise the temperature. Slide the lever downward to lower the temperature. Passenger's Temperature Lever The lever on the right adjusts the air temperature on the passenger's side independent of the temperature set by the driver. Slide the lever upward to raise the temperature. Slide the lever downward to lower the temperature. With this system, you can control the heating, cooling and ventilation in your vehicle. The system works best if you keep your windows closed while using it. Fan Knob The knob on the left side of the climate control panel regulates the fan speed. To turn the fan off, turn the knob to OFF. If the airflow seems very low when the fan is adjusted to the highest setting regardless of the mode setting, your passenger compartment air filter (if equipped) may need to be replaced. See "Maintenance Schedule" in the Index. Mode Knob The knob on the right side of the control panel has several settings to control the direction of airflow: UPPER: This setting directs air through the instrument panel outlets. BI-LEV: This setting directs air two ways. Half of the air is directed through the instrument panel outlets. Most of the remaining air is directed through the floor vents and a small amount to the windshield defroster and side window outlets. 3-4