2013 Nissan Altima Owner's Manual - Page 171

● When the or are selected, the air conditioner automatically turns on (the indicator light will illuminate) if the outside temperature is more than 36°F (2°C). This dehumidifies the air which helps defog the mode automatically windshield. The turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance. 3. 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. 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. 4-22 Monitor, climate, audio, phone and voice recognition systems