2009 Dodge Journey Owner's Manual - Page 300

298 UNDERSTANDING YOUR INSTRUMENT PANEL 4. Rear Mode Control Turn to select Panel, Bi-Level, or Floor for the mode of rear cabin air distribution. Automatic Operation - Two- and Three-Zone ATC The Two- and Three-Zone ATC systems automatically maintain the climate in the cabin of the vehicle. To accomplish this, the system gathers information from the climate controls, from a dual sun-sensor located in the top of the instrument panel, from an infrared sensor located between the sun visors, and from various sensors located throughout the vehicle. • The climate controls provide the system with operator input. • The dual sun-sensor monitors sun load coming through the windshield. • The infrared sensor independently measures the surface temperature of the driver and passengers. • Other sensors take into account vehicle-speed, A/C pressure, outside temperature, and engine cooling temperature. Using all of these inputs, the system automatically adjusts airflow temperature, airflow distribution, airflow volume, and the amount of outside air recirculation. This maintains a comfortable temperature even under changing conditions. To select automatic operation, perform the following steps: 1. Press and release the AUTO button and the ATC displays the word "AUTO," along with current settings for temperature, mode, and blower speed. It also displays the snowflake icon if the A/C is running. 2. Turn the Left Front Temperature Control, the Right Front, and if so equipped, the Rear Temperature Control to dial in the temperature that you want the system to