I could answer directly but I'll let you take a look at the FAQ.
There is no FAQ for this game yet.
I believe he's talking about the topic titled "S&ASRT Info, FAQs, and Rumors" here: http://www.gamefaqs.com/boards/669063-sonic-and-all-stars-racing-transformed/63464796 --- SSBB: 4038-5671-9490 My theme song: http://www.youtube.com/watch?v=RL1vioGctxU
I think they said it was possible. I hope so, I don't even remember what they did lol. --- In every loss, in every lie, in every truth that you'd deny And each regret and each goodbye was a mistake too great to hide.