GM Service Manual Online
For 1990-2009 cars only

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 turned to cover the side windows.

Visor Vanity Mirror

Swing down the sun visors and lift the cover to expose the vanity mirror. Do not drive with the cover lifted due to possible glare impeding other drivers behind or to the side of the vehicle.