Short Drop: Description
WARNING: This page is about a different car, the 2018 Kia Forte5 and 2018 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.
YD vehicle model does not feature door glass frame. Hence, it features door glass short drop to prevent door glass from being stuck on roof side when opening and closing the door and to reduce wind noise.
When the door is open, it drops by approximately 10 mm (0.4 inch;short drop), otherwise, it rises by approximately 10 mm (0.4 inch) up to the roof (upper stop position).