2009 Nissan Altima Owner's Manual - Page 178

● For quick cooling when the outside temperature is high, push the button to the ON position. Be sure to return the to the OFF position for normal cooling. MAX A/C may be used for quick cooling. Dehumidified heating This mode is used to heat and dehumidify the air. 1. Press the 2. Press the button to the OFF position. air flow control button. or are selected, the air When the conditioner automatically turns on (however, the indicator light will not illuminate) if the outside temperature is more than 36°F (2°C). This dehumidifies the air which helps defog the windshield. The mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance. 4. Turn the temperature control dial to the desired position. ● A visible mist may be seen coming from the ventilators in hot, humid conditions as the air is cooled rapidly. This does not indicate a malfunction. ● If the engine coolant temperature gauge indicates engine coolant temperature over the normal range, turn the air conditioner off. See "If your vehicle overheats" in the "In case of emergency" section of this manual. AIR FLOW CHARTS The following charts show the button and dial positions for MAXIMUM AND QUICK heating, cooling or defrosting. The air recirculation button should always be in the OFF position for heating and defrosting. 3. Turn the fan control dial to the desired position. 4. Push the comes on. button. The indicator light Operating tips ● Keep the windows and moonroof closed while the air conditioner is in operation. ● After parking in the sun, drive for 2 or 3 minutes with the windows open to vent hot air from the passenger compartment. Then, close the windows. This allows the air conditioner to cool the interior more quickly. ● The air conditioning system should be operated for approximately 10 minutes at least once a month. This helps prevent damage to the system due to lack of lubrication. 5. Turn the temperature control dial to the desired position. Dehumidified defogging This mode is used to defog the windows and dehumidify the air. 1. Press the air flow control button. 2. Turn the fan control dial to the desired position. 3. Press the comes on. button. The indicator light 4-14 Monitor, climate, audio, phone and voice recognition systems