1998 Cadillac Catera Owner's Manual - Page 152

# FAN SPEEDS: Press the driver's side TEMP/AUTO knob to set the fan speed for AUTO. At this setting, thefan speed is automatically controlled. If it is cold outside,the blower may not run in the maximum high fan speed right away. The system checks the temperature of the engine coolant to assure is it warm enough to provide heat. When theengine coolant is warm,the controller allows the fan to gradually increase to a higher speed. This prevents cold airfrom blowing into the passenger compartment. If you want the blower fan at a high speed, press the arrow button up until youreach the highest position the display.If you of want the blower fan at a low speed, press thedown arrow button until thelowest position is displayed. AC: Press this button to turn the air conditioning on an off. The system willcool and dehumidify the air inside the vehicle. In the automatic operation mode,the display will show ACOFF when the air conditioning has been turned off. RECIRCULATION: Press this button to limit the amount of fresh air entering your vehicle. is helpful This to limit odors entering your vehicle. In theautomatic operation mode, thesystem will use recirculationas necessary to cool the air. Pressing recirculation the button willchange the operation toa manual mode and the air will recirculate non-stop. Press this button again to turnoff the recirculation feature. If you notice the windows fogging, press the recirculation button to the recirculation mode. exit ON/OFF: Press this button to turn the system off. Press this button again to turn the system back on. Turning the climate control system on in this way will recall all previous manually setmode settings. If the system is turned onby pushing the driver's TEMP/AUTO knob for automatic operation, all of the previous manually set mode settings will changed back to the fully be automatic mode.