SpecificationsHyundai 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) ...
Hyundai Elantra AD (2016-2020) Owners Manual: Before Driving
Before Entering the Vehicle
Be sure all windows, outside mirror( s), and outside lights are clean and
unobstructed.
Remove frost, snow, or ice.
Visually check the tires for uneven wear and damage.
Check under the vehicle for any sign of leaks.
Be sure there are no obstacles behind you ...