2002 Buick Century Owner's Manual - Page 151

Heating (Engine Coolant Heater) If your vehicle has an engine coolant heater, you can use it to help your system provide warm air faster when it's cold outside -- 0_F (-18_C) or lower. An engine coolant heater warms the coolant your engine and heating system use to provide heat. See "Engine Coolant Heater" in the Index. Defogging and Defrosting If you have the Dual Comfortemp Climate Control, your system has two settings for clearing the front and side windows. To defrost the windows quickly, turn the mode knob to the defrost setting and turn the temperature knob all the way in the red area. For maximum defroster performance, set both driver and passenger temperature controls to the warmest setting. To warm passengers while keeping the windows clear, use BLEND. If you have the Dual Automatic Comfortemp Climate Control, your system has two settings for clearing the front and side windows. To defrost the windows quickly, press the FRONT button, set the temperature to 90 _F (32_C), select high fan speed and turn the DUAL button off. To warm passengers while keeping the windows clear, push the AIR FLOW button until WINDSHIELD/FLOOR appears in the display. Select fan speed for comfort and windshield clearing performance. 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 levers all 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 VENT with the temperature levers 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 levers 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. Push the A/C button for cooling. 3-7