Nissan Altima Owners Manual: Air conditioner operation

Start the engine, turn the fan control dial to the desired position, and press the button to
button to activate the air conditioner. When the air conditioner is on, cooling and dehumidifying functions are added to the heater operation.

The air conditioner cooling function operates only when the engine is running.

Cooling This mode is used to cool and dehumidify the air.

1. Press position. the button to the OFF
position.

2. Press the button. air flow control
button.

3. Turn the fan control dial to the desired position.

4. Push the button. The indicator light comes on.

5. Turn the temperature control dial to the desired position.

● For quick cooling when the outside temperature is high, push the the ON position. Be sure to return the button to
the ON position. Be sure to return the to the OFF position for normal cooling. MAX
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 position. the button to the OFF
position.

2. Press button. the air flow control
button.

3. Turn the fan control dial to the desired position.

4. Push the light button. The indicator
light comes on.

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 button. air flow control
button.

2. Turn the fan control dial to the desired position.

● When the are selected, the or
air conditioner automatically turns on (the are selected, the
air conditioner automatically turns on (the indicator light may or may not illuminate) if the outside temperature is more than 36°F (2°C). This dehumidifies the air which helps defog the windshield. The automatically mode
automatically turns off, allowing outside air to be drawn into the passenger compartment to further improve the defogging performance.

● The air conditioner is always on in mode, regardless of whether the indicator
mode, regardless of whether the indicator light is on or off.

3. Turn the temperature control dial to the desired position.

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.

● 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.

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