Types Of Small Flies 5 Common Species Of Flies JDM Style Window Visors For 2014 2018 Toyota Highlander. Toyota Highlander (2014 2018) Window Visors JDM Style. Window visors serve as rain guards that prevent rain, wind, and sunlight from entering your vehicle when the windows are partially open, enhancing ventilation and reducing condensation. They also add a refined appearance and can help lower wind noise. Installation is simple and suitable for DIY.