First select the car you like the most, than start the tuning, there are so many options, only with this part of the game you will have so much fun! After you have selected the color of the car, the vinyls and the vinyls color, you can upgrade with some starting money the car`s speed, acceleration and handling. For every level there is a sum of reward that can be won, and you can farther upgrade your vehicle and accept greater challenges.