To block out glare, swing down the sun visors. They can be detached from the center retainer and slid along the rod to cover different areas of the front window and rotated to cover the side windows.
Swing down the sun visors and lift the cover to expose the vanity mirror. If your vehicle has lighted vanity mirrors, the lamps come on when you open the cover. Do not drive with the cover lifted due to possible glare to other drivers behind or to the side of the vehicle.