GM Service Manual Online
For 1990-2009 cars only

To block out glare, you can swing down the visors. You can also swing them from front to side. The visors also have extenders that you can pull out for added coverage.

Visor Vanity Mirror

Open the cover on the sun visor to expose the vanity mirror. If the vehicle has the optional lighted vanity mirrors, the lamps come on when you open the cover.