Enter the "Options" menu and select "Cheat Code". Then, enter one of the following codes to activate the corresponding cheat function:
Press Start, Left, Select, Right(2), Triangle, X, Square, Start, R, Down, Select to unlock all events.All cars
Press Up(4), Left, Down, Up, Right, Down(4) to unlock all cars.All weapons
Press Up, Right, Left, Down, Start, Start, L(2), Square, Triangle, Select, R to unlock all weapons.All vinyls
Press Triangle, Square(4), Triangle(2), Square(4), Triangle to unlock all vinyls.