A:AnswerThere are radio units that support navigation directly, but most support Apple and or Android auto for your phone to provide GPS functionality.
A:AnswerOh..my dear I very well hate best buy service most of the time whether I have an appointment for installation at home, or I have to be at store waiting in line for customer service guess what I hear "there's nothing we can do unfortunately"! If I were you I would get full refund!!
A:AnswerYou should have all parts needed before your installation appointment, either thru Best Buy or elsewhere, I’d compare prices, but they can’t complete the install unless all parts are there.