As a racer, it can't be help that your sports car will get a beating every time you use it in a race. Sure, the damage is not that big, but overtime, it will accumulate. There will come a day that you really need to take it to the repair shop even if you take care of your car regularly.
The game is played via mouse and it is interactive. The idea of the game is to fix the car till it can be driven again. You don't need to be a professional mechanic to do that in this game since you will have a hint of what you should do. Just use the tool that is highlighted and you can fix the car in no time.