2007 Dodge Nitro Owner's Manual - Page 231

INSTRUMENT PANEL AND CONTROLS 231 Defrost Air is directed through the windshield and side window demist outlets. Use this mode with maximum fan and temperature (Hot) settings for best windshield and side window defrosting. NOTE: The air conditioning compressor operates in both Mix and Defrost or a blend of these modes even if the fan switch is not in the A/C position. This dehumidifies the air to help dry the windshield. To improve fuel economy, use these modes only when necessary. Circulation Control Press the mode control knob to activate the recirculation mode. A lamp (in the knob) will illuminate when you are in recirculate mode. Press the knob again to deactivate the system. Only use the recirculation mode to temporarily block out any outside odors, smoke, or dust and to cool the interior rapidly upon initial start up in very hot or humid weather. NOTE: Continuous use of the recirculation mode may make the inside air stuffy and window fogging may occur. Extended use of this mode is not recommended. In cold or damp weather, the use of the recirculation mode will cause windows to fog on the inside because of 4