public static void TestCars1() { Console.WriteLine("\nTestCars1"); Console.WriteLine("----------"); Car car1 = new Car(); car1.DescribeCar(); Console.WriteLine("----------"); ConvertibleCar car2 = new ConvertibleCar(); car2.DescribeCar(); Console.WriteLine("----------"); Minivan car3 = new Minivan(); car3.DescribeCar(); System.Console.WriteLine("----------"); }