This rear view mirror is a genuine GM product that comes with OnStar and dual map lights. It is designed for use in Impala and Monte Carlo models and has an auto-dimming feature that automatically adjusts to changing light conditions. The mirror is easy to install and is placed at the front of the vehicle. The manufacturer part number for this product is 015607. It is an ideal replacement for a damaged or faulty rear view mirror and comes with a set of features that enhance its functionality.