1997 Buick Regal Owner's Manual - Page 165

0 FLOOR: This setting sends most of the air through the ducts near the floor. The rest comes out of the defroster and side window vents. Air Conditioning On very hot days, open the windows long enough to let hot, inside air escape. This reduces the time for the vehicle to cool down. For a quick cool-down on very hot days, use MAX with the temperature knoball the way in the blue area.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 NORM with the temperature knob in the blue area. The system will bring in outside air and cool it. 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 and set the temperature knob to a comfortable setting. The system will bring in outside air and direct it to your upper body, while sending slightly warmed air to your lower body. You may notice this temperature difference more at some times than others. W F R O N T This setting bringsin outside air and directs most of the air through the defrost vent. Some of the air also goes the floor ducts the side to and window defogger outlets. Theindicator on the button will light and WINDSHIELD will be lit in the display. The air conditioning compressor will run automatically in this setting unless the outside temperature isbelow 40°F (4°C). VENT: This pushbutton turns the air conditioning compressor on and off. The indicatorlights when the compressor is turned off. Recirculation is not permitted when the compressor is off. The system will try to control the temperature automatically, but without the compressor. RECIRC: This setting recirculatesmuch of the air inside your ve.hicle.This setting is not permitted in FRONT defrost mode and is only permitted in WINDSHIELD/FLOOR mode if the compressor is turned on. The indicatorlight will be lit when Recirculation is engaged, but will light for one second and then turn off if selected when not permitted. 3-9