The temperature will increase by turning the knob to the right.
The temperature will decrease by turning the knob to the left.
Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Oil Temperature Sensor Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Remove the battery and battery tray.
3.
Disconnect the solenoid valve connector (A).
4.
Measure resistance between sensor signal terminal and sensor ground terminal.
5.
Check that the resistance is within the specification.
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Hyundai Elantra AD (2016-2020) Service Manual: Sunroof Switch Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Open the sunglass case cover from the overhead console and
remove the 2 screws holding the overhead console. Disconnect the switch
connector and Map lamp connector, and then remove the overhead console
lamp (A).
3.
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