Sliding the sunroof
Pressing the sunroof control lever backward or forward momentarily to the second detent position completely opens or closes the sunroof even when the switch is released. To stop the sunroof at the desired position while the sunroof is in operation, press the sunroof control lever backward or forward and release the switch.
Information
To minimize wind noise while driving, it is recommended that you drive with the sunroof slightly closed (stop the sunroof about 2 inch (5 cm) before the maximum slide open position).
Tilting the sunroof

Tilt the sunroof open:
Push the sunroof control lever upward until the sunroof moves to the desired position.
To close the sunroof:
Push the sunroof control lever forward until the sunroof moves to the desired position.
NOTICE
Sunroof opening and closing
SunshadeHyundai Elantra AD (2016-2020) Owners Manual: Power Brakes
Your vehicle has power-assisted brakes that adjust automatically through normal
usage.
If the engine is not running or is turned off while driving, the power assist
for the brakes will not work. You can still stop your vehicle by applying greater
force to the brake pedal than typical. The sto ...
Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications
Audio
ItemsAudioModelTFT/MONO/DISPLAY Power supplyDC 14.4VParasitic currentMax. 1mA (Head unit only)Antenna80PF 75?Tuning typePLL SYNTHESIZED TUNING
...