Several cheats
In the main menu introduces the following:
1.000 dollars in the race, RX-8 and Skyline in Quick Race: Left, left, right, square, square, right, l1, r1.$ 200 in race: Up, up, up, left, r1, r1, r1, below.Hummer H2 Capone: Up, left, up, down, left, down, left.Vinyl Best Buy: Up, down, up, down, top, right, left.