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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 80 (Active Air Flap Diagnosis (HEV)) >> DTC P1235: Active Air Flap System Fail >> General Information >> General Description

General Information: General Description

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A.A.F. (= Active Air Flap) system is equipped with a flip can be opened between radiator grille and radiator.

During High speed driving, it will enhance the driving stability by closing the flap to reduce the air resistance.

Inside the Engine room, the temperature rise is to be a concern if the components overheat the Engine room. It opened the flap function to lower the internal temperature.