The Maestro SR is a universal radio replacement interface that simplifies upgrading your factory audio system. It retains steering wheel controls, vehicle settings menus, and factory backup cameras with multi-camera views on select vehicles (additional accessories may be required). With its built-in Bluetooth adapter, the SR module supports wireless programming for mobile devices. Just use our Weblink Desktop or Weblink Mobile applications to program your interface module online. Furthermore, the SR is compatible with a new line of MSR vehicle-specific T-Harnesses.