Unit was removed from a 2014 IS350c but the wire plug has been cut. You will need to split the wires and transfer your existing wires and plug from the bad mirror to this mirror. The auto dimming will darken the mirror automatically when the cars behind you or on the side is too bright or with high bean as well as cars from opposite direction with to bright headlight or high bean. It will then clears back to normal when the brightness reduce from cars in front or behind automatically. Dealership will cost over a few hundred dollars just for the mirror + time of installation.It is easy to remove and mount the new one on yourself without the technician. Good Luck and thanks for looking.... The item "FACTORY OEM 2014 LEXUS IS350c CONVERTIBLE AUTO DIM REAR MIRROR HOMELINK COMPASS" is in sale since Tuesday, July 16, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Interior\Mirrors". The seller is "iwinyourbid14" and is located in Sunnyvale, California. This item can be shipped worldwide.