The 2014 CX-5 touring has a navi button that does nothing. It does not have the sd card holder tray left of steering wheel or (I'm assuming) a gps antenna in the center speaker grill. I assume the original owner did not spring for this option. Is the wiring loom already run to these locations? Is there a kit available to enable this? Is any coding required for this to work? A lot of questions so I will thank you in advance for your help!