Mikuba RT Kolwezi OE Style Window Visors For 2019 2025 Toyota Corolla (5Dr Hatchback). Toyota Corolla Hatchback (2019 2025) Window Visors OE 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.