Thought I'd bump this up with some confirmations that nearly everything listed above works on my '15. I added the heated/cooled seat icons on the climate quadrant, six flashes on the lane change (I had to use C instead of A though), and activated Bambi mode. Due to needing to eliminate the DRLs for my retrofits, I also turned them off, and eliminated the DRL option from the IPC. The last change I've made so far has been to up the TPMS to 45 PSI because of my LT tires that I run at 50 normally.
Tried changing the boot screen, but it always boots up with the standard Ford one (SYNC 2). Same deal with ambient lighting color with door ajar. I haven't found the correct address in the APIM module yet.
Loki, what change did you make to your Edge to add the climate to the right IPC screen? My searches have turned up blank on the Edge and Explorer forums I've found.
I'll have to see if I can find it. It was a trial and error thing.