2008 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 258

256 UNDERSTANDING YOUR INSTRUMENT PANEL Air Conditioning and Heating Operation To turn on the Air Conditioning, set the fan control at any speed and press the snowflake button located on the control panel. Conditioned air will be directed through the outlets selected by the mode control. A light in the snowflake button shows that the air conditioning is on. Press the button a second time to turn the air conditioning off. A/C Pushbutton With the fan control in the ON position, pushing the A/C button turns on the air conditioning compressor. An indicator light on the button shows that the Air Conditioning compressor is on. Conditioned air is now directed through the mode outlets selected. Pushing the button a second time turns the compressor OFF. Recirculation Pushbutton Pushing the Recirculation button allows interior air to recirculate continuously in any position except defrost and defrost/floor mode for rapid cool down of the interior. See "Fast Cooldown" later in this section. Mode Control The mode control allows you to choose from several patterns of air distribution.