
To defog inside windshield
1. Select desired fan speed.
2. Select desired temperature.
3. Press the defroster button (
).
4. The outside (fresh) air position will be selected automatically.
If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually.
If the
position
is selected, lower fan speed is adjusted to a higher fan speed.

To defrost outside windshield
1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the extreme hot (HI) position.
3. Press the defroster button (
).
4. The outside (fresh) air position will be selected automatically.
If the
position
is selected, lower fan speed is adjusted to a higher fan speed.
Manual Climate Control System
Defogging logicHyundai Elantra AD (2016-2020) Service Manual: Rear Door Window Glass Repair procedures
Replacement
1.
Remove the rear door trim.
(Refer to Rear Door - "Rear Door Trim")
2.
Remove the rear door belt inside weatherstrip (A).
3.
Pull down rear door window glass by pressing the power window glass switch.
4.
Loosen the mounting screws and remove the rear door belt outside ...
Hyundai Elantra AD (2016-2020) Service Manual: Blower Resistor (Manual) Repair procedures
Inspection
1.
Measure the resistance between the terminals.
2.
The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad center panel.
...