Black plate (36,1)Cadillac DTS Owner Manual - 2011If the AUTO position is selected on the fan or modecontrol, the system automatically controls the airconditioning compressor. The A/C compressor will runautomatically even at cool outside temperatures in orderto dehumidify the air. The A/C indicator light is lit whenthe system is operating automatically, even at nearfreezing outside temperatures. Press # on the fancontrol to turn off the A/C. For improved windowclearing performance in defog or defrost modes, theA/C compressor runs automatically.h (AUTO RECIRCULATION): If the AUTO position isselected on either the fan or air delivery mode control,the system automatically controls the air inlet to supplyfresh outside air or recirculate the interior air to cool thecar faster. The light on the recirculation button will comeon when the system changes to recirculation. Outsideair can be forced by pressing h when the light is lit.For vehicles without rear climate controls, press : toforce outside air. The next time AUTO fan or mode isselected, the air inlet will reset back to AUTO operation.Manual Operation9 (Off): Turns the entire climate control system off.Outside air still enters the vehicle and is directed to thefloor. The airflow direction and temperature can beadjusted, as indicated below.If the temperature is adjusted while the system is off,the display will light to show the current settings.w x (Driver's Temperature Controls): Press the upor down buttons next to the fan control to manuallyincrease or decrease the temperature inside thevehicle.w x (Passenger's Temperature Controls): Press theup or down buttons next to the air delivery mode controlto manually increase or decrease the temperature forthe front passenger. If the passenger climate controlsystem is off, pressing one of these buttons turns it on.9 (Fan Control): Turn clockwise or counterclockwiseto increase or decrease the fan speed. Turning thiscontrol completely counterclockwise will turn on theautomatic fan operation. If the airflow seems low whenthe fan speed is at the highest setting, the passengercompartment air filter may need to be replaced. SeePassenger Compartment Air Filter on page 4‑42.4-36
