2000 Pontiac Grand Prix Owner's Manual - Page 163

Comfort Controls Air Conditioning with Electronic Controls Temperature Knob The center knob changes the temperature of the air coming through the system. Turn this knob toward red (clockwise) for warmer air. Turn it toward blue (counterclockwise) for cooler air. Mode Knob The right knob has several settings to control the direction of airflow: MAX: This setting recirculates much of the air inside your vehicle and sends it through the instrument panel outlets. The air conditioning compressor will run automatically in this setting unless the outside temperature is below 38_F (3.3_C). (Even when the compressor is running, you can control the temperature.) UPPER: This setting brings in outside air and directs it through the instrument panel outlets. BI-LEVEL: This setting brings in outside air and directs it two ways. Half of the air is directed through the instrument panel outlets. Most of the remaining air is directed through the floor ducts and a small amount to the defrost and side window vents. 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 left knob selects the amount of air you want. To turn the fan off, turn the knob to OFF. The fan must be on to run the air conditioning compressor. 3-2