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) Service Manual: External AMP Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Open the trunk, remove the right luggage side trim.
(Refer to Body - "Trunk Trim")
3.
Remove the external amplifier (B) after disconneting the connector (A) and loosening the mounting nuts.
Installation
1.
Install the exte ...
Hyundai Elantra AD (2016-2020) Owners Manual: Starting the engine
WARNING
Always wear appropriate shoes when operating your vehicle. Unsuitable
shoes, such as high heels, ski boots, sandals, flip-flops, etc., may interfere
with your ability to use the brake and accelerator pedals.
Do not start the vehicle with the accelerator pedal depressed. The vehic ...