Corvette Xbox Cheats

Cheat mode:


At the title screen, hold L + R and press Up, Left, Down, Right, Left, Right, Left, Right. The word "Yeah!"  confirms  entry. This unlocks all bonuses. 
Unlock Levels:


At the options screen, go to Change Name and enter XOPENSEZ.
 

Thanks to Revolution readers sweetsourpppylover, Vroom and dammit!