The sunshade will open automatically with the sunroof when the glass panel moves. If you want it closed, move the sunshade manually.
NOTICE
The sunroof is made to slide together with the sunshade. Do not leave the sunshade closed while the sunroof is open.
Hyundai Sonata LF 2014-2019 Service Manual: Timing Chain Repair procedures
Removal
1.
Turn the crankshaft pulley clockwise, and align its groove with the timing mark of the timing chain cover.
2.
Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
3.
Align the timing marks of the CVVT sprockets with the upper
surface of the cylinde ...
Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components
1. Rear bumper cover2. Rear bumper retainer cover3. Rear bumper side bracket [LH]4. Rear bumper side bracket [RH]
...