2009 Cadillac DTS Owner's Manual - Page 187

AUX (Auxiliary): Press the AUX button located on the front climate control panel to turn the rear climate control system on or off. When turned on the rear system operates in automatic mode and the temperature settings selected for the front climate control panel will also be selected for the rear passengers. To adjust the rear climate control system, the rear passenger can select a different temperature, mode or fan speed. Whenever the rear passengers have adjusted settings on the rear climate control system, the AUX light is lit on the front climate control system. When the front climate control system is turned off or in defrost mode, the rear climate control system is turned off. The rear system will turn back on once another front mode is selected. For more information on how to use the front climate control system, see Dual Climate Control System on page 3-40. For more information on the air outlets, see Outlet Adjustment on page 3-46. Automatic Operation «A ª (Fan Control): Press until AUTO appears on the display to place the system in automatic mode. When automatic operation is active, the system automatically controls the fan speed. If in auto fan mode, pressing the up arrow button will cancel automatic operation and places the system in manual mode. If in auto mode, pressing the down arrow will turn the rear climate control system off. «N ª (Air Delivery Mode Control): Press until AUTO appears on the display to place the system in automatic mode. When automatic operation is active, the system controls the air delivery mode. 3-47