The Venture dimming rear view mirror has special sensors which react automatically to bright lights, adjusting the mirror to cut down on the glare. A Chevy Venture dimming rearview mirror is the one hands-free device you can use which won't distract you. The Venture auto dim rear view looks great and gives you an advantage against rude drivers. When the guy behind forgets, or refuses, to dim his high beams, your Chrysler 300M dim rear view mirror has you covered.