Hyundai Sonata: Automatic climate control system / System Operation

Ventilation

1. Select the Face Level mode.

2. Set the air intake control to the outside (fresh) air position.

3. Set the temperature control to the desired position.

4. Set the fan speed control to the desired speed.

Heating

1. Select the Floor Level mode.

2. Set the air intake control to the outside (fresh) air position.

3. Set the temperature control to the desired position.

4. Set the fan speed control to the desired speed.

5. If dehumidified heating is desired, turn the air conditioning system on.

If the windshield fogs up, select the Floor & Defrost mode or press the Front Defrost mode.

Operation Tips

Air conditioning

All HYUNDAI Air Conditioning Systems are filled with environmentally friendly R-1234yf refrigerant.

1. Start the engine.

2. Push the air conditioning button.

3. Set the mode to the Face Level mode.

4. Set the air intake control to the recirculated air position. However, prolonged operation of the recirculated air position will excessively dry the air. In this case, change the air position.

5. Adjust the fan speed control and temperature control to maintain maximum comfort.

When maximum cooling is desired, set the temperature control to the extreme left position then set the fan speed control to the highest speed.

NOTICE

When using the air conditioning system, monitor the engine temperature gauge closely while driving up hills or in heavy traffic when outside temperatures are high. Air conditioning system operation can cause engine overheating. Continue to use the blower fan, but turn the air conditioning system off if the engine temperature gauge indicates engine overheating.

Air conditioning system operation tips

OFF mode
Push the OFF button of the front to turn off the air climate control system. You can still operate the mode and air intake buttons as long as the ignition switch is in the ON position. ...

System Maintenance
System Maintenance This filter is installed behind the glove box. It filters the dust or other pollutants that enter the vehicle through the heating and air conditioning system. Have the climate con ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Warning messages
Shift to P (for smart key system and automatic transaxle) This warning message illuminates if you try to turn off the engine without the shift lever in P (Park) position. At this time, the Engine Start/Stop button turns to the ACC position (If you press the Engine Start/Stop button once more, ...

Hyundai Sonata LF 2014-2019 Owners Manual: Scheduled Maintenance Services
Follow Normal Maintenance Schedule if the vehicle is usually operated where none of the following conditions apply. If any of the following conditions apply, you must follow the Maintenance Under Severe Usage Conditions. Repeated short distance driving. Driving in dusty conditions or sandy area ...

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