The auto-dimming rearview mirror displays the outdoor temperature and has a compass that tells you the direction you're heading. The blue button on the bottom edge of the mirror is the control for Chevy's OnStar system. The button with the red cross links to emergency services and the others give you handsfree access to your cell phone and let you turn the auto-dimming feature off.
Read the Review 2007 Chevy Silverado 1500 Extended Cab Test Drive
