1994 Cadillac Seville Owner's Manual - Page 170

Fan Speeds Push the (symbol) button until "AUTO" is displayed on the screen. At this setting, the fanspeed is controlled automatically. If it is coldoutside, the blower maynot run in the maximum highfan speed right away. The system checksthe temperatureof the coolant to assure it is warm enough to provide heat. When the coolant is warm,the controller will allowthe fan to ramp up toa higher speed. This prevents cold air from blowing into thepassenger compartment. If you wantthe blower fan to run only at a fixed high speed, push the (upper) buttonuntil you see "HI" on the display. If you wantthe fan speed to be automatic, but you likethe fanspeed to be higher than theAUTO setting, just push the buttons until "HI/AUTO" is shownon thedisplay. If you want the blower to run only at a fixed low speed, push the (low) button until "LO" is shownon thedisplay. If you want the fanspeed to run lower than the"AUTO"setting, push the button until "AUTO LO" is shownon thedisplay. 157