VEX V5 code and brain connection

Are you sure you are running the program they uploaded onto the brain, or are they hitting “drive”. Drive is the default program and not the one they put on there…

As for the “A button” issue, I belive this could be because of this line

You don’t need that while loop because the “turnFor” function automatically waits until completion to advance. So take out the while loop.

But to be honest I think a callback would be better suited here. Check out this thread.