If you want to make it as a racer, all you have to do is practice at the tracks of Turbo Drive. Choose your car and start cruising around 16 levels of adventure. Knowing how to drive is not enough because some of the tracks are very difficult so be carefull.
All you have to do is to collect the coins while watching for the fuel and the energy which can also be collected. Also if you want to see a surprise, you should collect all the puzzle pieces all around the tracks. Godspeed.