1997 Cadillac DeVille Owner's Manual - Page 174

Heating With the digital cluster climate control panel, press the AUTOECON button to direct airflow andto help save fuel. Adjust the temperature, if necessary, by pressing the blue button decrease temperature and pressing to the red buttonto increase temperature. Also remember to adjust thefan speed by pressing theup or down arrow. If you havethe analog cluster climate control panel, press theMODE button to select heater. Adjust the interior temperatureto a comfortablelevel and if the fan speed needs adjusting, press the up down arrow. or With each system, outside air will be brought and sent in through the floor, air conditioningor bi-level outlets (depending on the condition). The heater works bestif you keep your windows closed while using it. Ventilation System Your Cadillac's flow-through ventilation system supplies outsideair into the vehicle whenit ismoving. Outside air will also enter the vehicle when heater or the the air conditioning fanis running. The front outlets are located in the center and at each side of the instrument panel. You can adjust the direction of airflow by moving the center control levers or you can stop the airflow by moving the lever located on each sideof the outlets downward. 3-11