1998 Buick Regal Owner's Manual - Page 157

Driver's Temperature Knob The centerknob sets the temperature forthe driver's outlets. Turn the knob toward red (to theright) for warmer air. Turn it toward blue (to the left) for cooler air. NORM: This setting brings in outside airand sends it throughthe instrument panel outlets. Theair conditioning compressor will run automatically in this setting unless the outside temperatureis below 40°F (4°C). (Even when the compressor is running, you can control the temperature.) BI-LEV: 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 ductsand a little to the defrost and side window vents. The air conditioning compressor will run automatically in this setting unless the outside temperature is below 40°F (4°C).(Even when the compressor is running,you can control thetemperature.) VENT: This setting brings in outside air and directs it through the instrument panel outlets. HTR: This setting sends most of the air through the ducts near the floor. The rest comes out of the defroster and side window vents. BLEND: This setting allows half of the air to goto the floor ductsand half to the defrosterand side window vents. The air conditioning compressor will run automatically in this setting unless the outside temperature is below 40°F (4°C).(Even when the compressor is running,you can control the temperature.) Passenger's Temperature Lever The bottom lever adjuststhe air temperatureon the passenger's side independent of the temperatureset by the driver. Slide the lever toward the right to raise the temperature. Slidethe lever toward the left to lower the temperature. Mode Knob The right knob has several settings to control the direction of airflow. To access thevarious modes available, turn the mode button to the desired mode. 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 isbelow 40°F (4°C).(Even when the compressor is running, you can control the temperature.) 3-5