1997 Buick Regal Owner's Manual - Page 163

Dual Automatic ComforTemp Climate Control (If Equipped) Automatic Control For the most efficient operation, you should set the system temperature and press AUTO. The system will select the best fan speed and airflow settings to keep you comfortable. The air conditioning compressorwill run if the outside temperature is above 40°F (4°C). You may notice a delay of two to three minutes before the fan comes on at start up in cool weather. Driver's Temperature Control The TEMPswitch sets the temperature for the entire system when the light on the DUAL button isn't lit. If the light is lit, this control sets the temperature for the driver only. Press the up arrow to raise the temperature and press the down arrow to lower the temperature. The display will show your selection for a few seconds, then the outside temperature will show. If you push the AUTO button, the system will control the fan speed and airflow. FRONT With this system, you set a temperature.You can then either letthe system automatically control airflow direction and force it to maintain the temperature, or you can manually adjust it. The system works best if you keep your windows closed while using it.