2003 Cadillac DeVille Owner's Manual - Page 159

Operation Tips e Rear Climate Control System e e e Clear away any ice, snow or leaves from the air inlets at the base of the windshield that may block the flow of air into your vehicle. Use of non-GM approved hood deflectors may adversely affect the performance of the system. Keep the path under the front seats clear of objects to help circulate the air inside of your vehicle more effectively. If the airflow seems low when fan speedis at the the highest setting, the passenger compartmentair filter may needto be replaced. For moreinformation, see Passenger Compartment Air Filteron page 3-36 and Part A: Scheduled Maintenance Serviceson page 6-4. Your vehicle has a rear climate-control system that allows the rear-seat passengers to adjust the direction of the airflow, the fan speed and the temperature for the rear-seating area. This system also works with the main climate-control system in your vehicle. The control panel for this system is located on the back of the center console. 3-34