Enter the following codes at the title screen. A confirmation message will appear each time you enter a code correctly.

Unlock the Castrol Syntec version of the ford GT – Left, Right, Left, Right, Up, Down, Up, Down.

Unlock the junkman engine in the one stop shop – Up, Up, Down, Down, Left, Right, Up, Down.

Unlock a marker in the backroom shop – Up, Up, Down, Down, Left, Right, Up, Down.

Unlock the Burger King race in the challenge series – Up, Down, Up, Down, Left, Right, Left, Right.