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Home >> Buick >> 1999 >> Regal V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Description and Operation >> HVAC System - Automatic >> Control Assembly Description >> Defogging and Defrosting

Defogging and Defrosting

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.