I did a little more research on updating Gracenote and was able to update. Go to" http://infotainment.mazdahandsfree.com/vehicle_select?return_to=%2Fgracenote " and enter Year, Model, Trim and follow instruction on the next page. I downloaded the file directly to my USB flash drive. Put it into...
I'm using both my USB outlets in the front. One has MP3's at 320kbps with 51 albums on a 16gb stick, half full and the other 16gb stick with lossless Wav files, only 5 albums. Everything sounds great and works flawlessly. The Wav files sound the best.