Crux OnStar Radio Replacement interface w/ SWC Retention video switcher & D. Din Dash Kit - GM ClasUpgrade your GM OnStar radio with the Crux OnStar Radio Replacement interfacethe all in one solution for converting to a modern aftermarket head unit without losing essential vehicle controls. Designed for drivers who want better audio, video, and navigation options, it combines SWC retention, a built in video switcher, and a Double DIN dash kit for a clean, professional install. OnStar Radio Replacement Interface: Replaces the factory OnStar radio