Corvette Cheat Codes for XBox

All Cars
Go to the option menu and change the name to xopensez

All courses
Go to the option menu and change the name to xopensez

Custom corvette mode
Win all C3 career mode races.

Route 66 Challenge
Win all C5 career mode races.

Never lose a race
When losing a race or getting into to a wreck, press [Star. Select "Restart Race" and the race will begin again, not be count against you.

Get cops off your tail
When a cop starts to chase you, try to speed as much as possible or take a shortcut. With the 1978 Corvette 25th Anniversary, the cops will catch up with you -- try your best to get away from. Note: this will only work when you race one on one.