1997 Cadillac DeVille Owner's Manual - Page 172

Manual -= mation # FAN SPEEDS:Press the button with the fan symbol on it until AUTO is displayed on the screen. At this setting, the fan speed is automatically controlled. is If it cold outside, the blower not run in the maximum may high fan speed right away. system checks the The temperature of the engine coolant assure it is warm to enough to provide heat. When the engine coolant is warm, the controller allows the fan to gradually increase to a higher speed.This prevents cold air from blowing into the passenger compartment. you want the blower If fan at a high speed, press the up arrow button until you see HI on the display. If you want the fan speed to be automatic, butyou like the fan speed to higher than be the AUTO setting, press the fan symbol button until H I AUTO is shown on the display. you want the blower If fan at a low speed, press the down arrow button until LO is shown on the display. you want the fan speed to run If lower than the AUTO setting, press the button until LO AUTO is shown on the display. You may manuallyadjust the air delivery modeor fan speed. AC: This setting directs airflow through the middle instrument panel outlets. he fl he BI-LEVEL: This setting directs air into your vehicle in two ways. Cool air is directed to upper the portion of your body through the four instrument panel outlets while warmed airis directed tothe floor. '# HEATERDEFROST: This setting directs air to the floor outlets and toward the windshield. 0 w e HEATER: This setting directs warmed air through the floor outlets. Some warm airis diverted to the windshield tominimize fogging. DEFROST Press thisbutton to quickly remove fog or frost from the windshield.This setting sends most of the airflow tothe windshield with only small a amount tothe floor outlets. lfl