Hyundai Sonata: Manual Heating and Air Conditioning / Temperature control

Turn the knob to the right to increase the fan speed and airflow. Turn the knob to the left to decrease fan speed and airflow.

The temperature will increase or decrease by 1°F/0.5°C for each button press. When set to the lowest temperature setting, the air conditioning will operate continuously.

Adjusting the driver and passenger side temperature equally

Adjusting the driver and passenger side temperature individually

Press the "SYNC" button again to operate the driver and passenger side temperature individually. The button indicator will turn off.

Temperature conversion

If the battery has been discharged or disconnected, the temperature mode display will reset to Fahrenheit.

Methods to change the temperature unit from °F to °C or °C to °F:

- On the instrument cluster, go to User Settings Mode ➝ Other Features ➝ Temperature Unit.
- Press the AUTO button for 3 seconds while pressing the OFF button. (Automatic climate control system)

Both the temperature unit on the cluster LCD display and climate control screen will change.

Mode selection
The mode selection button controls the direction of the air flow through the ventilation system. The air flow outlet direction is cycled as follows: Face-Level (B, D, F) Air flow is directed towar ...

Air intake control
This button is used to select the outside (fresh) air position or recirculated air position. Recirculated air position With the recirculated air position selected, air from the passenger compartmen ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Jump Starting
Jump starting can be dangerous if done incorrectly. Follow the jump starting procedure in this section to avoid serious injury or damage to your vehicle. If in doubt about how to properly jump start your vehicle, we strongly recommend that you have a service technician or towing service do it for ...

Hyundai Sonata LF 2014-2019 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal 1. Disconnect the PCV hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves.     If the plunger does not move (PCV valve is clogged), clean or replace the val ...

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