Hyundai Elantra: Windshield Defrosting and Defogging / Automatic Climate Control System
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
To defog inside windshield
1. Select any fan speed except “0” position.
2. Select desired temperature.
3. Select the
or position.
4. The outside (fresh) air will be selected automatically ...
Defogging logic
To reduce the probability of fogging up the inside of the windshield, the air
intake or air conditioning are controlled automatically according to certain conditions
such as or
position. To can ...
Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components,
first determine if the malfunction is due to the refrigerant charge, air
flow or compressor.
Use the table below to help you find the cause of the
problem. The numbers indicate the priority ...
Hyundai Elantra AD (2016-2020) Service Manual: Auto Defoging Actuator Components and Components Location
Components Location
1. Auto logging actuator
...
