... .Direct audio connection for optimal sound quality (no FM Modulator)Steering wheel controls functions (if so equipped)Track ... Navigation and Mobile PhoneEasy to install and useCompatible with OEM Radio:Volkswagen, Audi, Skoda, Toyota, Honda, Mazda, Suzuki ... , Hyundai,Compatible with After-market Radio:Sony, Panasonic, Alpine, Pioneer, Clarion, Sanyo, Blaupunkt car adapter for Ipod