1996 Cadillac Eldorado Owner's Manual - Page 151

DEFOG: Press this button to divide the air between the windshield and theheater outlets. This is useful when fog appears on the windshield or side glass due to sudden rain or snowy conditions. This feature is not available with the heated windshield option. AUTO/ECON: Press this button to switch between AUTO and ECON. The ECON setting attempts to keep air at a selected temperature, however, it does not remove humidity from the air. Use this setting in cold or cool weather to save fuel. The AUTO setting is used when it's warm outside and you need to cool the air in order to maintain a selected temperature and blower speed. 8 FAN SPEEDS: Press the button with thefan symbol until AUTO is displayedon the screen. At this setting, the fan speed is automatically controlled. If it is cold outside, the blower may not run in maximum the high fan speed right away.The system checks the temperature of the engine coolant to assure it is warm enough to provide heat. When the engine coolant is warm, the controller allows thefan togradually increase to a higher speed. This prevents cold air from blowing into the passenger compartment.If you want the blower fan at a high speed, press the up arrow button until you see HI on the display.If you want thefan speed to be automatic, but you like the fan speed to be higher than the AUTO setting, press the fan symbol button until HI AUTO is shown on the display. If you want the blower fan at a low speed, press the down arrow button until LO is shown on the display.If you want thefan speed to run lower than the AUTO setting, press the button until AUTO LO is shown on the display. DEFROST Press this button to quicklyremove fog or frost from the windshield. This setting sends most of the airflow to the windshield with only a small amount to the floor outlets.