For what it's worth....with my Note 2, I was able to go from streaming pandora, to youtube video, and resuming back to the song in pandora with no issues.
The dealers are offering a 3rd party custom leather seating option which comes with a lifetime warranty. I had the option in doing that if I went with the touring package, but 'settled' for the GT instead.
bloatware! :)
One place you could check/search on, is xda-developers.com, google search for: bluetooth galaxy s2 <insert carrier> "device not supported" xda-developers.com
I'd say cut your losses, go with the class 2, sell the class 1 on craigslist/ebay, unless you keep the c1 and stuff the 3rd bike in the cargo area.
For me, I'd be installing the Curt Class 3, 13127 is the part number along with the Kuat NV rack.
There is a person who has the class III curt hitch, it's the last post in this thread. http://www.mazdas247.com/forum/showthread.php?123813524-hitch-mounted-bicycle-racks&highlight=hitch