See also:

CLIMATE CONTROL AIR FILTER
(For evaporator and blow unit) The climate control air filter is located in front of the evaporator unit behind the glove box. It operates to decrease the amount of pollutants entering the car. ...

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

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