Integrates two auxiliary audio sources directly to the factory radio for the highest possible sound quality. Ideal for mp3 players, portable DVD players, handheld GPS, laptops and gaming systems. General Features Plug-and-play installation maintains factory wiring integrity Direct audio input to factory radio for maximum sound quality Two separate inputs - RCA and 3.5mm minijack - for use a multitude of auxiliary audio sources Retains factory-installed satellite radio Compatibility Notes Vehicle MUST be either equipped with, or have the ability to support Satellite Radio 2012 Avalanche, Sierra, Silverado Suburban, Tahoe & Yukon vehicles equipped with a navigation radio are not compatible Radio must be equipped with a "CAT" + "Band" button combination or "XM" button to be compatible Vehicle Specific Notes Not compatible in Cadillac SRX equipped with rear seat entertainment