Enter one of the names at the driver creation
screen, then you will unlock the corresponding 
car (in any game mode):

Crissy Hillsworth 
Joey Joulwan 
Audrey Clark 
Benny Parsons 
Buster Auton 
Cheryl King 
Chuck Spicer 
Scott Brewer 
Tom Renedo 
Traci Hultzapple 
Troi Hayes 
Daryl Wolfe 
Dave Alpern 
Dave Nichols 
Diane Grubb 
Dick Paysor 
Jim Hannigan 
Josh Neelon 
Katrina Goode 
Ken Patterson 
Kristi Jones 
Mandy Misiak 
Michelle Emser 
Rick Edwards 
Rick Humphrey 
Sasha Soares


Submitted by linkinbizkit013 at hotmail.com