This button is used to select the outside (fresh) air position or recirculated air position.
Recirculated air position
The indicator light on the button illuminates when the recirculated air position is selected.
With the recirculated air position selected, air from the passenger compartment will be drawn through the climate control system and heated or cooled according to the function selected.
Outside (fresh) air position
The indicator light on the button will turn off when the outside (fresh) air position is selected.
With the outside (fresh) air position selected, air enters the vehicle from outside and is heated or cooled according to the function selected.
Information
Prolonged use of the air conditioning with the recirculated air position selected will result in excessively dry air in the passenger compartment.
WARNING
Hyundai Sonata LF 2014-2019 Service Manual: Timing Chain Cover Repair procedures
Removal
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
Mark all wiring and hoses to avoid misconnection.
...
Hyundai Sonata LF 2014-2019 Service Manual: Tire Repair procedures
•
Using tires and wheel other than the recommended sizes could
cause unusual handling characteristics and poor vehicle control,
resulting in a serious accident.
Tire Wear
1.
Measure the tread depth of the tires.
Tread depth [limit] : 1.6 mm (0.0630 in.)
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