1993 Cadillac Eldorado Owner's Manual - Page 160

(Bi-level). On bright sunny days in cold weather, the airflow could even come out the A/C outlets to maintain comfort. Electronic Climate Control Features A/C Purge If your vehicle is sitting out on a hot day and you have it set on AUTO, the air will first flow out 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. Cold Weather Purge On cold days when your system is first turned on, atany setting other than Defroster, DEFOG or OFF a small amount of air will flow through the defroster duct preventing your windshield from fogging. Automatic Defog When using your wipers or rearwindow defogger for several minutes, the system senses that a humid condition exists. When this happens airflow will be directed to the windshield and floor ducts to keepyour side glass and windshield clear. Manually Recirculate Inside Air There may be times, when you don't want air from the outside. To recirculate the air from the inside only, just set the temperature to 60°F (16OC) and adjust your fan speed. DEFOG Push this buttonto divide the air between the Windshield and the heater windshield or side glass due ducts. Thisis useful when fog appears on the to a sudden rain. 146