In the world of car thieves, you need to be quick or you will rot in jail. As one of the newest member of a car syndicate, you should get inside the target car and drive it out to the safe parking area. That way, the owner and the cops won't know where it is hidden.
Every level got different instructions, but one thing is certain, you will be driving the car till you get to the parking space. Try not to damage the car as no one likes a damage car. The number of stars depends on your performance.