1997 Pontiac Grand Prix Owner's Manual - Page 162

Comfort Controls Air Conditioning with ElectronicControls 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 O (3.3 C). (Even when the F compressor is running, you can control the temperature.) O 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. +e rJ UPPER: This setting brings in outside air and Fan Knob The left knob selects the amount of air you want. To turn the fan off, turn fie knob to OFF. The fan must be on tQ run the air conditioning compressor, airects it through the instrument panel outlets. -'* -+a BI-LEVEL: This setting brings in outside air and directs it two Ways. Half O f the air is directed through the instrument panel outlets. Most of the remaining air is directed through the floor ducts and a little to the defrost and side window vents. 3-2