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. 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
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.
Hyundai Sonata LF 2014-2019 Service Manual: Rail Pressure Sensor (RPS) Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the RPS at idle and various engine speed.
ConditionOutput Voltage (V)Idle Approx. 1.21,500 rpm2.2 ~ 2.56,300 rpm Approx. 3.0
Removal
1.
Turn the ignition switch OFF and dis ...
Hyundai Sonata LF 2014-2019 Service Manual: EPB Switch Repair procedures
Removal
1.
Turn ignition OFF and disconnect the negative (-) battery cable.
2.
Remove the floor console assembly.
(Refer to Body - “Floor console assembly")
3.
Remove the EPB switch after loosening the screws.
4.
Install in the reverse order of removal. ...