2002 Chevrolet Express Van Owner's Manual - Page 141

Comfort Controls This section tells you how to make your air system work for you. With these systems, you can control the heating, cooling and ventilation in your vehicle. Fan Knob The knob on the left side of the system control panel regulates the fan speed. The knob has four speed positions. To increase airflow, turn the knob toward HI. To decrease airflow, turn it toward LO. To turn the fan off, turn the mode knob on the far right to OFF. Temperature Knob The middle knob on the control panel regulates the temperature of the air flowing into the passenger area of your vehicle. This knob will allow you to adjust the relative air temperature independently of the function knob setting. Turn the knob toward the red area for warmer air. Turn the knob toward the blue area for cooler air. System Controls If your vehicle does not have air conditioning, your controls will look like this. 3-2