1997 Pontiac Grand Prix Owner's Manual - Page 167

+ setting brings in the outside air and BI-LEV: This ' directs it two ways. Half of the air is directed through the instrument paneloutlets. Most of the remaining air is directed through the floor ducts a little to the defrost and and side window vents. +* Air Conditioning On very hot days, open the windows long enough to let hot, insideair escape. Thisreduces the time for the vehicle to cool down. LOWER: This setting sends most of the air through the ducts near the floor. The remaining airflow comes out of the defroster and sidewindow vents. floor ducts and half to the defroster and window vents. side + ' w. +' 0 For quick cool-down on very hot days, use RECLRC. If this setting is used for long periods of time, the air in your vehicle may become too dry. For normal cooling on hot days, use UPPER with the A/C button pushed in. The system will bring in outside air and cool it. DEFOG: This setting allows half the a r to go to the of i DEF: This setting directs most of the air through the defrost vent. Some of the airgoes to the floor ducts and the side window vents The airconditioning compressor will run automatically in thissetting unless the outside temperature is below 38°F (3.3"C). On cool, but sunny days, the sun may warm your upper body, but your lower body may not be warm enough. You can use BI-LEV with the A/C button pushed in. The system will bring in outside air direct it toyour and upper body, while sending slightly warmed air to your lower body. You may notice this temperature difference more at some times than others.