More than 400 Million MHL enabled Smartphones can now connect to cars, integrating the content and smart connectivity functions of the MHL-enabled smartphones into the in-car infotainment screens. 50 after-market in-car infotainment systems shipping from Pioneer, JVC, Kenwood, Sony have already integrated MHL support in their latest after-market car radios, mirroring all applications, video, music and information on the car display while charging the phone.
You can read more about it at http://meetmhl.com/FeaturedAutomotive.aspx
