Nissan Altima Owners Manual: Automatic operation

Cooling and/or dehumidified heating (AUTO)

This mode may be used all year round as the system automatically works to keep a constant temperature. Air flow distribution and fan speed are also controlled automatically.

1. Press the AUTO button on. The indicator on the button will illuminate.

2. Turn the temperature control dial to the left or right to set the desired temperature.

● Adjust the temperature display to about 75°F (24°C) for normal operation.

● The temperature of the passenger compartment will be maintained automatically. Air flow distribution and fan speed 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.

3. You can individually set driver’s and front passenger’s side temperature using each temperature control dial. When the DUAL button or passenger’s side temperature dial is turned, the DUAL indicator will come on.

To turn off the passenger’s side temperature control, press the DUAL button.

Heating (A/C OFF)

The air conditioner does not activate. When you need to heat only, use this mode.

1. Press the A/C button. The A/C indicator will turn off.

2. Turn the temperature control dial to set the desired temperature.

● The temperature of the passenger compartment will be maintained automatically. Air flow distribution and fan speed are also controlled automatically.

● Do not set the temperature lower than the outside air temperature. Otherwise, the system may not work properly.

● Not recommended if windows fog up.

Dehumidified defrosting or defogging

1. Press the button on. front defroster
button on.

(The indicator light on the button will come on.)
2. Turn the temperature control dial to set the desired temperature.

● To quickly remove ice from the outside of the windows, use the fan speed control dial to set the fan speed to maximum.

● As soon as possible after the windshield is clean, press the AUTO button to return to the automatic mode.

● When the pressed, the air conditioner will automatically front defroster button is
pressed, the air conditioner will automatically be turned on at outside temperatures above 36°F (2°C) (The indicator light may or may not illuminate). The air recirculate mode automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance.

Remote start logic (if so equipped)

Vehicles equipped with automatic climate controls and remote start function may go into automatic heating or cooling mode when remote start is activated depending on outside and cabin temperatures.

During this period, the climate control display and buttons will be inoperable until ignition switch is turned on.

    Heater and Air Conditioner (automatic) (if so equipped)
    1. (front defroster) button 2. Temperature control dial (driver’s side)/ AUTO (automatic) climate control button 3. Display screen 4. Temperature control dial (passenger’s side)/DUAL (pass ...

    Manual operation
    Fan speed control Press the fan control buttons to manually control the fan speed. Press the AUTO button to return to automatic control of the fan speed. Air recirculation Press the air re ...

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