As a followup from my post from last night, when I first got the car I tested several things. Here are a few things I tested:
1.) if the car is on, and you plug in a USB stick, playing will commence quickly, and does not seem to require a full read of the stick.
2.) If you turn the audio off and back on, the mp3 will resume in the same place.
3.) if you turn the audio off, and then turn off the car, and quickly restart it, then turn the audio back on, it will resume.
4.) if you turn on the electronics by pushing the start button without depressing the brake, have an MP3 start playing, then turn off the electronics, and turn it back on quickly (within 4-5 seconds) it will resume.
I need to make a real chart where I mark down exact specifics, but the gist of what I found was that the MP3 would resume when playing via USB, as long as the time that the power was off wasn't very long. The headunit would still do its "startup" where you would see the TomTom screen, but then audio would resume right away. If however the car was off for longer, then when you start up it does the long read of the USB device, where then it finally starts playing everything from the beginning again.
This is why I was curious about whether power goes to the USB port constantly on the 2013 vs 2014, because the head unit isn't having an issue with a quick power cycle, but rather a longer term power cycle. If it is something as simple as the port staying hot on the 13 and not on the 14, that is user resolvable.
I doubt it is this easy, but it is the first thing I would like to eliminate to answer this question.
Chris
