So my new Roadster Sport has the Alpine IVA-NAV-10 infotainment system. There is a microphone in the dash so I just assumed I would be able to pair my bluetooth phone with the unit - but wait. Manual says I need to buy a KCE-400BT adaptor (Optional). The radio does not see this adaptor in the source - tools section so i am guessing it was not included. But why the microphone? Did I get shorted somehow or is this where everyone else is on this issue as well?
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