Race your car around the track using the cursor keys. You will pit-in once for every lap.

You will pit-in once for every lap.
In the pit you need to use the mouse to drag the correct tool onto the highlighted zone to repair it.
Make 3 repairs and then click exit pit
Put the tools back where you found them to improve your time in the pits.
Remember to re-order the stuff you use in the pits.
Ease off the speed on the hairpins. Good luck