Cadillac 2010 STS Owner's Manual

Also see for 2010 STS: Brochure Owner's manual

The climate control system uses the information fromthese sensors to adjust the temperature, the fan speedand the air delivery, in order to maintain the selectedtemperature. The system may also supply cooler air tothe side of the vehicle facing the sun.Do not cover the sensors or the automatic climatecontrol system will not work properly.Outlet AdjustmentUse the lever located in the center of each outlet tochange the direction of the airflow, either side-to-side orup and down. Use the thumbwheels to open or closethe outlets to adjust the airflow.Turn the thumbwheel towards the vehicle door to openthe outlets and allow the maximum amount of air toenter your vehicle. Turn the thumbwheel towards thecenter console to close the outlets and minimize theamount of air entering the vehicle.Operation Tips. Clear away any ice, snow or leaves from the airinlets at the base of the windshield that may blockthe flow of air into your vehicle.. Use of non-GM approved hood deflectors mayadversely affect the performance of the system.. Keep the path under the front seats clear ofobjects to help circulate the air inside of yourvehicle more effectively.. If the airflow seems low when the fan speed is atthe highest setting, the passenger compartmentair filter may need to be replaced. For moreinformation, see Passenger Compartment Air Filteron page 4‑50.4-48