Hyundai Sonata: Automatic climate control system / Manual Heating and Air Conditioning

The heating and cooling system can be controlled manually by pushing buttons other than the AUTO button. In this case, the system works sequentially according to the order of buttons selected.

When pressing any button except the AUTO button while using automatic operation, the functions not selected will be controlled automatically.

1. Start the engine.

2. Set the mode to the desired position. To improve the effectiveness of heating and cooling:

- Heating:
- Cooling:

3. Set the temperature control to the desired position.

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

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

6. If air conditioning is desired, turn the air conditioning system on.

7. Press the AUTO button in order to enable full automatic control of the system.

Automatic Heating and Air Conditioning
The Automatic Climate Control System is controlled by setting the desired temperature. 1. Press the AUTO button. The modes, fan speeds, air intake and air-conditioning will be controlled automaticall ...

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 ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Electronic Stability Control (ESC)
The Electronic Stability Control (ESC) system helps to stabilize the vehicle during cornering maneuvers. ESC checks where you are steering and where the vehicle is actually going. ESC applies braking pressure to any one of the vehicle's brakes and intervenes in the engine management system to as ...

Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Remove the ECTS (Refer to "Removal"). 3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4. 4. Check that the resistance is within the specification. Specification: ...

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