2004 Chrysler Town & Country Owner's Manual - Page 219

UNDERSTANDING YOUR INSTRUMENT PANEL 219 Infrared Three-Zone Automatic Temperature Control - If Equipped The Infrared Three-Zone Automatic Temperature Control System automatically maintains the interior comfort level desired by the driver and all passengers. This is accomplished by using three infrared sensors, two located in the center of the instrument panel and one in the rear control unit. The three infrared sensors independently measure the surface temperature of the driver and passengers. Based on the sensor input, the system automatically adjusts the air temperature, the air flow volume, and amount of outside air recirculation. This maintains a comfortable temperature even under changing conditions. 4 Operation of the system is quite simple. Begin by pressing the auto rocker switch to the "HI" or "LO" position, the word "AUTO" will illuminate in the front ATC display along with "HI" or "LO". The system will then automatically regulate the amount of air flow. Next, dial in the temperature you would like the system to maintain by pressing the driver's or passenger's temperature control button. The rear temperature can only be adjusted from the front when the "REAR SYSTEM" knob on the front ATC unit is in the "AUTO" position. Once the