To open:
Press the sunroof control lever backward to the first detent position. Release the switch when you want the sunroof to stop.
To close:
Press the sunroof control lever forward to the first detent position. Release the switch when you want the sunroof to stop.
Hyundai Sonata LF 2014-2019 Service Manual: Power Door Mirror Switch Repair procedures
Inspection
[Power Window Module (IMS)]
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front left door trim.
(Refer to Body - "Front Door Trim")
3.
Disconnect the power mirror switch connector from the door trim.
4.
Check for continuity between the terminals in each ...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components (1)
Components (2)
Components (3)
...