1999 Cadillac Catera Owner's Manual - Page 146

yellowblue Ventilation Tips D Keep the hood and front air inlet free of ice, snow or any other obstruction (such as leaves). The heater and defroster will work far better, reducing the chance of fogging the inside of the windows. D When you enter a vehicle in cold weather, adjust the fan to the highest speed for a few moments before driving off. This helps clear the intake outlets of snow and moisture, and reduces the chance of fogging the inside of the windows. objects. This helps circulate air throughout your vehicle. D Keep the air path under the front seats clear of 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 dial located on each side of the outlets to the "O" position. The direction of airflow for the rear seats can also be adjusted. Move the center control dial between each vent up or down to adjust the airflow from low to high. Turn the dial to the "O" position to stop airflow. Move the lever in the center of each vent to direct airflow toward the upper or floor outlets. The airflow temperature from the rear outlets is the same as the driver's temperature setting. Passenger Compartment Air Filter This ventilation system includes an air filter that helps to remove dust, pollen, etc. from air flowing into your vehicle. A restriction in the airflow coming into the passenger compartment could be the result of dirt in the filter. For more information, see "Passenger Compartment Air Filter Replacement" in the Index. Also see the Maintenance Schedule booklet for when to change the filter. 3-8