Click here for two charts-- http://www.ceoutlook.com/2012/10/20/kenwood-iphone-5-compatibility-chart/ (http://www.ceoutlook.com/2012/10/20/kenwood-iphone-5-compatibility-chart/) to view a model by model compatibility chart for Kenwood car decks with iPhone 5 (with and without a Lightning adapter).
Update: All of Kenwood’s 2013 decks with iPhone connectivity have full iPhone 5 audio-control capability, using the cable that comes with the phone, (but not video).