The SWC-C20 steering wheel remote control interface allows for easy integration of an Alpine system with the factory steering wheel audio controls in many different vehicle makes and models. Installation is quick and simple, the program of interface module with the corresponding vehicle code via the SWC-C20R programming remote and connect the colored wires in accordance to the application chart for each specific vehicle. What's more, its ultra-compact size means it can be easily installed behind the dash.