Hyundai Sonata: Windshield defrosting and defogging / Manual Climate Control System
To defog inside windshield
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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. Additionally, the
air conditioning will automatically operate if the mode is selected to the
position.
If the air conditioning and outside (fresh) air position are not selected automatically, press the corresponding button manually.
To defrost outside windshield
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1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the extreme hot position.
3. Select the position.
4. The outside (fresh) air and air conditioning will be selected automatically.
Windshield defrosting and defogging
WARNING
Windshield heating
Do not use the or
position during cooling operation
in extremely humid weather. The difference between the temperature of the outside
air and that of the windshield cou ...
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 out ...
Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Resetting the sunroof
Sunroof needs to be reset if the following occurs :
- Battery is discharged or disconnected or the related fuse has been replaced
or disconnected
- The one-touch sliding function of the sunroof does not normally operate
Reset procedure :
1. Place the ignition switch to the ON position or start the ...
Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Inspect the PCV vlave operation.
(1)
Run the engine at idle.
(2)
Put a finger on the open end of the PCV valve.
(3)
Make sure that intake ...
