2009 Nissan Altima Owner's Manual - Page 183

● The temperature of the passenger compartment will be maintained automatically. Air flow distribution, fan speed and A/C on/off are also controlled automatically. ● A visible mist may be seen coming from the vents in hot, humid conditions as the air is cooled rapidly. This does not indicate a malfunction. Dehumidified defrosting or defogging 1. Push the defroster control button to turn the system on. The indicator light in the button will illuminate. 2. Turn the temperature dial to the left or right to set the desired temperature. ● To quickly remove ice from the outside of the windows, turn the manual fan control to HI. ● As soon as possible after the windshield is clean, push the AUTO button to return to the auto mode. control is activated, the air ● When the conditioner will automatically be turned on at outside temperatures above 36°F (2°C). This dehumidifies the air which helps defog the windshield. The air recirculation mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance. Air recirculation Push the air recirculation button to recirculate interior air inside the vehicle. The indicator light on the switch will come on. The air recirculation button will not be activated when the air conditioner is in DEF or mode. Air flow control Push the air flow control buttons to manually control air flow and select the air outlet: Rear window defroster switch For more information about the rear window defroster switch, see "Rear window and outside mirror (if so equipped) defroster switch" in the "Instruments and controls" section of this manual. MANUAL OPERATION Fan speed control Turn the fan control dial left or right to manually control the fan speed. Press the off. /OFF button to turn the system - Air flows from center and side vents. - Air flows from center and side vents and foot outlets. - Air flows mainly from foot outlets. - Air flows from defroster and foot outlets. - Air flows from defroster outlets. To turn system off Press the /OFF button. Push the AUTO button to return to automatic control of the fan speed. Monitor, climate, audio, phone and voice recognition systems 4-19