GM Service Manual Online
For 1990-2009 cars only

To block out glare you can swing down the visors. You can also remove them from the center mount and swing them to the side. There may be an extension on the inboard side of the sun visors. Pull the extension out to block out glare.

Visor Vanity Mirror

Pull down the sun visor. Flip up the cover to expose the vanity mirror.