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2022 Nissan Frontier Owners Manual - HEATER AND AIR CONDITIONER (manual) (if so equipped)



HEATER AND AIR CONDITIONER (manual) (if so equipped)

WARNING

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

Do not leave children or adults who would normally require the assis- tance of others alone in your vehicle. Pets should also not be left alone. They could accidentally injure them- selves or others through inadvertent operation of the vehicle. Also, on hot, sunny days, temperatures in a closed vehicle could quickly become high enough to cause severe or possibly fatal injuries to people or animals.

Do not use the recirculation mode for long periods as it may cause the inte- rior air to become stale and the win- dows to fog up.

NOTE: • Odors from inside and outside the vehicle can build up in the air conditioner unit. Odor can enter the passenger compartment through the vents.

• When parking, set the heater and air conditioner controls to turn off air re- circulation to allow fresh air into the passenger compartment. This should help reduce odors inside the vehicle.

CONTROLS

1. Fan speed control dial / system

OFF dial / A/C (air conditioning) button 2. Air flow control buttons 3. Temperature control dial / MAX A/C

button

4. Air recirculation button 5. Front windshield defrost button

Fan speed control dial The fan speed control dial turns the fan on and off and controls fan speed.

Fan speed control dial — OFF mode Setting the fan speed control dial to the off position will turn off the fan and the air recirculation indicator light will turn on. To get fresh air in fan off mode, press the air recirculation button to turn off the indica- tor. In fan off mode, the mode buttons can be selected to change the air vent distribution (if the air recirculation mode is off).

Air flow control buttons The air flow control buttons allow you to select the air flow outlets. MAX A/C

— Air flows from center and side vents with maximum cooling.

— Air flows from center and side vents.

— Air flows from center and side vents and foot outlets.

— Air flows mainly from foot outlets and side vents.

— Air flows from defroster outlets and foot outlets.

— Air flows mainly from defroster outlets.

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Temperature control dial The temperature control dial allows you to adjust the temperature of the outlet air. To lower the temperature, turn the dial to the left. To increase the temperature, turn the dial to the right.

Air recirculation button

ON position (Indicator light on) Interior air is recirculated inside the vehicle. Press the button to the ON position when: • driving on a dusty road. • to prevent traffic fumes from entering

passenger compartment. • for maximum cooling when using the air

conditioner.

OFF position (Indicator light off) If outside air is desired in off mode, press the recirculation button until the indicator turns off. If fogging occurs, press the front windshield defrost button.

A/C (air conditioner) button Start the engine, turn the fan speed control dial to the desired position and press the button to turn on the air conditioner. To turn off the air conditioner, press the button again.

The air conditioner cooling function op- erates only when the engine is running. HEATER OPERATION Heating This mode is used to direct heated air to the foot outlets. Some air also flows from the defrost outlets. 1. Press the button to the OFF posi-

tion for normal heating. The indicator light on the button will go off.

2. Press the air flow control button. 3. Turn the fan speed control dial to

the desired position. 4. Turn the temperature control dial to the

desired position between the middle and the hot position.

Ventilation This mode directs outside air to the side and center vents. 1. Press the button to the off position.

The indicator light on the button will go off.

2. Press the air flow control button. 3. Turn the fan speed control dial to

the desired position. 4. Turn the temperature control dial to the

desired position.

Defrosting or defogging This mode directs the air to the defrost outlets to defrost/defog the windows. 1. Press the defrost/defog button. 2. Turn the fan speed control dial to

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

desired position between the middle and the hot position.

• To quickly remove ice or fog from the win- dows, turn the fan speed control dial to the highest setting and the tempera- ture control to the full HOT position.

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• When the position is selected, the air conditioner automatically turns on if the outside temperature is approximately at or below freezing. This dehumidifies the air which helps defog the windshield. The

mode automatically turns off, allow- ing outside air to be drawn into the pas- senger compartment to further improve the defogging performance. Under this condition, the indicator light on the A/C button indicator will not turn on if the user had selected the A/C off. Turning off the air conditioning via the A/C button is not allowed In this mode. If the A/C button indicator was on when entering this mode, and the A/C button is selected in this mode, the A/C button indicator will turn off, but the A/C compressor will still be automatically enabled. The recircula- tion button indicator will not illuminate if the button is pressed in this mode.

Bi-level heating The bi-level mode directs warmed air to the side and center vents and to the front and rear floor outlets. 1. Press the button to the off position.

The indicator light on the button will go off.

2. Press the air flow control button. 3. Turn the fan speed control dial to

the desired position. 4. Turn the temperature control dial to the

desired position.

Heating and defogging This mode heats the interior and defogs the windshield. 1. Press the air flow control button. 2. Turn the fan speed control dial to

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

desired position between the middle and the hot position.

• When the position is selected, the air conditioner automatically turns on if the outside temperature is approxi- mately at or below freezing. Under this condition, the indicator light on the A/C button indicator will not turn on if the user had selected A/C off. Turning off the air conditioning via the A/C button is not al- lowed in this mode. If the A/C button indi- cator was on when entering this mode, and the A/C button is selected in this mode, the A/C compressor will still be automatically enabled. It is recom- mended that mode be turned off for maximum defogging. The recirculation button can be selected in this mode to block outside odors. However, for maxi- mum defogging in this mode, it is recom- mended to turn recirculation off when possible.

Operating tips

Clear snow and ice from the wiper blades and air inlet in front of the windshield. This improves heater operation.

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AIR CONDITIONER OPERATION Start the engine, turn the fan speed control dial to the desired position, and press the 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 op- erates only when the engine is running.

Cooling This mode is used to cool and dehumidify the air. 1. Press the button to the off position. 2. Press the air flow control button. 3. Turn the fan speed control dial to

the desired position. 4. Press the button. 5. Turn the temperature control dial to the

desired position between the middle and the cold position.

• For quick cooling when the outside tem- perature is high, press the button to the on position. Be sure to return the to the off position for normal cooling. The indicator light on the button will go off. You may also select MAX A/C for quick cooling.

Dehumidified heating This mode is used to heat and dehumidify the air. 1. Press the button to the off position.

The indicator light on the button will go off.

2. Press the air flow control button. 3. Turn the fan speed control dial to

the desired position. 4. Press the button. 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 front defroster button. 2. Turn the fan speed control dial to

the desired position.

When the or positions are se- lected, the air conditioner automatically turns on if the outside temperature is ap- proximately at or below freezing. The air conditioning system will continue to oper- ate until the fan speed control dial is turned to OFF, the air conditioner is turned OFF, or the vehicle is shut off. If a position other than the front defrost air flow button is selected, the A/C compressor will not turn off even if the user had selected A/C off prior to entering defrost. In front defrost or foot defrost the indi- cator light on the A/C button will not turn on if the user had selected A/C off. Turning off the air conditioning via the A/C button is not allowed in this mode. If the A/C button indicator was on when entering this mode, and the A/C button is selected in this mode, the A/C button indicator will turn off, but the A/C compressor will still be auto- matically enabled. This dehumidifies the air which helps defog the windshield. The mode automatically turns off, allowing out- side air to be drawn into the passenger compartment to further improve the de- fogging performance. 3. Turn the temperature control dial to the

desired position.

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Operating tips • Keep the windows 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 compart- ment. Then, close the windows. This al- lows the air conditioner to cool the inte- rior more quickly.

The air conditioning system should be operated for approximately 10 minutes at least once a month. This helps pre- vent 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 tem- perature over the normal range, turn the air conditioner off. For additional information, see “If your vehicle over- heats” (P. 6-13).

AIR FLOW CHARTS The following charts show the button and dial positions for

MAXIMUM AND QUICK heating, cooling or defrosting. For addi- tional information on heating and cooling, see “Heater and air conditioner (manual)” (P. 4-28).

The air recirculation ( ) but- ton should always be in the OFF position for heating and defrosting.


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