1995 Cadillac DeVille Owner's Manual - Page 173

Electronic Climate Control Features A/C Purge If your vehicle is sitting out on a hotday and you have it set on AUTO, the air will first flow o u t the floor air ducts for few seconds. That is a normal. This is to expel hot air in the air ducts. As the air is cooled. the flow will move through the A/C outlets. If you start yourvehicle with the fan settingon H I it will skip the A/C Purge. Cold Weather Purge On cold days when your system is first turned on, in either theAUTO or ECON setting?and the fan setting is not on HI, a small amount o f air will flow through thc defroster duct whilc the system is waiting for the engine coolant to warm up enough to provide hcat. This prevents your breath from fogging your windshield. As the coolant warm up, the blower fan specd will gradually increase and air will flow from the heater outlets, with some airflow to the windshield to prevent fogging under most normal conditions. u Manually Recirculate Inside Air There m a y be times whcn vou want less air from the outside. To recirculate the air from t h i inside, in the AUTO setting, just set the temperature to 60" F (16* C) and adjust your fan speed: DEFOG Press this button t o divide the air between the windshield and the heater ducts. This is useful when fog appears on the windshield or side glass due to sudden rain or snowy conditions. Fan Speeds /+ Press the fan symbol button until AUTO is displayed on the screen. At this setting, the fan speed is controlled automatically. If it is cold outside, the blower may not run in the maximum high fan speed right away. The system checks the temperatureof the coolant to assure it is warm enough t o provide heat. When thc coolant is warnl, the