Metropolitan Highway Battle R Maximum money
At the title screen on controller two, press Up, Triangle, Down, X, Right, Square, Left, Circle, Select, Start.
All parts
At the title screen on controller two, press Right(2), Down, Up(2), Left, Down, Left, Circle, Triangle.
Secret parts
At the title screen on controller two, press Up, Down(2), Up, Left, Right, Left, Right.
Alternate car display
At the car selection screen, press L1 or R1 to display the vehicle’s dimensions.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original