At the main menu, select the "My NASCAR" option. Select the "EA Extras" option, then choose the "Cheat Codes" selection. Then, enter one of the following codes to activate the corresponding cheat function:
Chicago Pier track and Wal-Mart car
Enter "WALMART EVERYDAY" as a code to unlock the Chicago Pier track and Wal-Mart car.Michael McDowell
Enter "MICHAEL MCDOWELL00" as a code to unlock Michael McDowell.