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 compartment will be drawn through the heating system and heated or cooled according to the function selected.
Outside (fresh) air position
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 Elantra AD (2016-2020) Owners Manual: High Mounted Stop Light Replacement
1. Open the trunk.
2. Remove the socket by turning it counterclockwise until the tabs on the socket
align with the slots.
3. Remove the bulb from the socket by pressing it in and rotating it counterclockwise
until the tabs on the bulb align with the slots in the socket. Pull the bulb out
...
Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications
ItemSpecificationMaster cylinderTypeTandemCylinder I.D.22.22 mmPiston stroke45 ± 1 mm (1.77 ± 0.039 in)Fluid level switchProvidedBrake boosterType10" SingleBoosting ratio8.0 : 1Front disc brakeTypeVentilated discDisc O.D.O 280 mm (11.02 in)Disc thickness23 mm (0.91 in)Caliper p ...