These include the body, containing the passenger and storage space, which sits on the chassis, or steel frame; the internal-combustion gasoline engine, which powers the car by means of a transmission; the steering and braking systems, which control the car's motion; and the electrical system, which includes a battery, ...

Also called unit-body construction or unitized construction, this is the most common design used to build small and medium passenger cars.

The automobile gave people access to jobs, places to live, and services. It also contributed to the rise of leisure activities. And with leisure came new services. These included motels, hotels, amusement parks and other recreation, restaurants and fast food.

A vehicle is composed of basic mechanical parts and devices making up its systems; each of them fulfills a specific function such as Fuel supply system, Transmission system, Suspension system, Braking system, Steering system, Cooling system, Electrical system, Exhaust system.