Description and OperationHyundai Elantra AD (2016-2020) Service Manual: Climate Control Air Filter Repair procedures
Replacement
1.
Remove the stopper (B) from the glove box (A).
2.
Disconnect the air damper (A) from the glove box (B).
3.
Remove the filter cover (A) by pressing the knob.
4.
Replace the air filter (A) with a new one according to the direction of air filter.
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Hyundai Elantra AD (2016-2020) Owners Manual: Climate Control Additional Features
Automatic Ventilation (if equipped)
When the ignition switch is in the ON position or when the engine is running
and temperature is below 59°F (15°C) with the recirculated air position selected
more than five minutes, the air intake position will automatically change to the
outside (fresh) ...