Use D to accelerate.
Use A to reverse.
Use spacebar to break.
Press H to horn.
Try to finish the race without flipping the car.
Your fuel will decrease, pick up fuel to refill.
If you are looking to create a game like a mountain hill racer or so, then this is the KIT for you which includes ready to use prefabs to start your own game easy with player cars, over 30+ prefabs, score system, fuel system which will decrease, advance car system with break, item pickups and much more to create your 2D own driving and racing game easy all ready to just drop into your own game. You can download the full source of this game here.