I'd never seen, read or heard about the RC before seeing it come up on a search for coupes for sale, was looking at Audi TTS at the time but the RC just blew me away!
Pretty sure, with just the map displayed and connected services enabled, it will show you hold ups etc...
Make sure you have "Show Traffic Info" set on.
Doesn't the live traffic function on the Nav perform a similar function? In that it can display traffic hold-ups and if a route is programmed, re-route automatically?
Yes, I've noticed many inaccuracies like those but they are relatively 'easy' to check, still shouldn't happen though.
Stuff like mpg and system power have to be taken on 'face value' ..
In my Premium Nav system it's under message settings in the telephone section.
Press menu, select Setup then Telephone then message settings. option 2 is enable message readout