Congrats Krispy and welcome to the AppRadio 2 family! In regards to your original post, VBLUE42 is a veteran member of this forum among others and many have benefited from his help (myself included). In order to try to help you a bit more about your current situation, I will try to walk you through the steps necessary to get your iPhone 5 working with your AR2.
The minimum absolute requirements to get the two devices to work together requires the following:
1) AR2 (running firmware v8.30)
2) iPhone 5
3) HDMI cable
4) Lightning Digital AV Adapter
So long as you have these things, yo