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 Elantra AD (2016-2020) Owners Manual: Normal Maintenance Schedule
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*1 : If TOP TIER Detergent Gasoline is not available, one bottle of additive is
recommended. Additives are available from your authorized HYUNDAI dealer along with
information on how to use them. Do not m ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Seat Assembly Repair procedures
Replacement
1.
Open the cover and loosen the front seat mounting bolts.
[Front]
Tightening torque :
49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2~ 47.0 lb-ft)
[Rear]
Tightening torque :
49.0 ~ 63.7 N.m (5.0 ~ 6.5 kgf.m, 36.2 ~ 47.0 lb-ft)
2.
Disconnect the main connector (A), front ...