2011 Subaru Tribeca Owner's Manual - Page 222

Interior equipment 6-5 & Sun visor extension plate With the sun visor positioned over the side window, you can use the sun visor extension plate to prevent glare through the gap between the sun visor and center pillar. To use the extension plate, pull it toward the rear of the vehicle. When you have finished using it, stow it by pushing it toward the front of the vehicle. CAUTION Do not pull out the extension plate with the sun visor positioned over the windshield. The extension plate would obstruct your view of the rearview mirror. To use the vanity mirror, swing down the sun visor and open the vanity mirror cover. The light beside the vanity mirror illuminates when the mirror cover is opened. NOTE Use of the vanity mirror light for a long period of time while the engine is not running can cause battery discharge. & Vanity mirror with light CAUTION Keep the vanity mirror cover closed while the car is being driven to avoid being temporarily blinded by the glare of bright light.