1998 Pontiac Grand Prix Owner's Manual - Page 161

Comfort Controls Air Conditioning with Electronic Controls Temperature Knob The center knob changes the temperature air of the coming through the system. Turn this knob toward red (to the right)for warmer air. Turn it toward blue (to the left) for cooler air. Mode Knob The rightknob has several settings to control the direction of airflow: MAX: T i setting recirculates much the a r inside hs of i your vehicle and sends through the instrument panel it outlets. The air conditioning compressor will run automatically in this setting unless the outside temperature is below38°F (3.3"C). (Even when the compressor is running, you can control the temperature.) With this system, you can control the heating, cooling and ventilation in your vehicle. system works best if The you keep your windows closed while using it. /r +e +e UPPER: This setting brings in outside and air directs it through the instrument panel outlets. Fan Knob The left knob selects the amount a r you want. To turn of i the fanoff, turn theknob to OFF.The fan must be on to run theair conditioning compressor. 'H BI-LEVEL: This setting brings in outside and air directs it two ways. Half of the is directed through air the instrument panel outlets. Most the remaining air is of ducts and a little to the defrost directed through the floor and side window vents. 3-2