I recently purchased a new 2015 Nissan Versa SV withy the standard Bluetooth "calls only" radio. I also purchased a Nissan App radio pulled from a 2015 Versa note . The new radio has all the bells and whistles and ALL the hook ups on the back are exactly the same as the old radio. I installed the radio without any issues but here are the problems.. 1. My mic no longer works so when I try to pair my iPhone, it asks "do the codes match?" And I say YES but the stereo says that nothing was heard. I switch it to manual mode and I need to hit the "talk" button on my steering wheel but that button doesn't work either.. Note that the volume / source/ song skip buttons DO work on the steering wheel though.. So basically everything works but the MIC and the talk button on the steering wheel which mean I can't fully pair my cellphone.. Anyone have a clue? Again, the hook ups are identical. I'm hoping that the head unit is just defective.