Hyundai Sonata: Convenient features of your vehicle / Climate control additional features

Automatic Ventilation

When the ignition switch is in the ON position or when the engine is running and outside temperature is below 59°F (15°C). At the same time, when A/C mode is off and mode is Bi-Level or Floor mode with the recirculated air position selected more than five minutes, the air intake position will automatically change to the outside (fresh) air position.

To cancel or reset the Automatic Ventilation

When the air conditioning system is on, select Face Level mode and while pressing the A/C button, press the recirculated air position button five times within three seconds.

Sunroof Inside Air Recirculation

When the heater or air conditioning system is on with the sunroof opened, the outside (fresh) air position will be automatically selected. At this time, if you press the recirculated air position button, the recirculated air position will be selected but will change back to the outside (fresh) air position after 3 minutes.

When the sunroof is closed, the air intake position will return to the original position that was selected.

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 ...

Storage compartment
WARNING Never store cigarette lighters, propane cylinders, or other flammable/explosive materials in the vehicle. These items may catch fire and/or explode if the vehicle is exposed to hot temperatu ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Charging System Warning Light
If this warning light comes on while the engine is running, the battery is not being charged. Immediately turn off all electrical accessories. Try not to use electrically operated controls, such as the power windows. Keep the engine running; starting the engine will quickly discharge the battery ...

Hyundai Sonata LF 2014-2019 Service Manual: Cooling Fan Repair procedures
Removal and Installation Cooling Fan Assembly 1. Disconnect the battery terminals. 2. Remove the under cover. (Refer to Engine And Transaxle Assembly - "Engine Room Under Cover") 3. Disconnect the air duct(A). 4. Disconnect the coolingfan connector(A). 5. Disconnect the vacuum ...

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