I just got a Corvette a few weeks ago. I have noticed the red (right) car isn't resetting to the stating position all the time. I just went in, turned the game on, it did it's normal thing where it initializes the LT5 engine, then runs the red and blue cars down the race track. They both happened to be in the starting position, they both went to the top, the blue car returned to the starting position, but the red one stayed at the top.
I noticed when we were playing a game both cars were at the top of the track at the end of one of the race modes, the blue car reset to the bottom, but the red car only went about 1/4 of the way back down and then when the next race mode started it ended very quickly because the red car started where it was at about 3/4 of the way up track, the same thing happened again in the next race mode.
I have ran the race track test mode and it passes.
Anyone have any ideas on what to look at?