Hyundai Sonata: Windshield defrosting and defogging / Automatic Climate Control System

To defog inside windshield

1. Select desired fan speed.

2. Select desired temperature.

3. Press the defroster button ().

4. The outside (fresh) air position will be selected automatically.

If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually.

If the position is selected, lower fan speed is adjusted to a higher fan speed.

To defrost outside windshield

1. Set the fan speed to the highest (extreme right) position.

2. Set the temperature to the extreme hot (HI) position.

3. Press the defroster button ().

4. The outside (fresh) air position will be selected automatically.

If the position is selected, lower fan speed is adjusted to a higher fan speed.

Automatic Climate Control System
To defog inside windshield 1. Select desired fan speed. 2. Select desired temperature. 3. Press the defroster button (). 4. The outside (fresh) air position will be selected automatically. If the out ...

Defogging logic
To reduce the probability of fogging up the inside of the windshield, the air intake or air conditioning are controlled automatically according to certain conditions such as or position. To cancel ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description System Overview The System offers the following features: - Human / machine interface through a 1-stage button, for terminal switching and engine start. - Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition swit ...

Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Specifications
Specification TemperatureResistance (k?)°C°F-40-4048.14-20-414.13 ~ 16.830325.7920682.31 ~ 2.59401041.15601400.59801760.32 ...

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