2 Answers

Cars are built by a combination of humans and robots (programmed by humans) on an by Text-Enhance" href="http://wiki.answers.com/Q/How_are_cars_built">assembly line. Some cars are totally built by hand, basically limited production cars, classic cars, or something special. Some others are totally built by machines. Quality checks are normally made by humans. All cars are built through an assembly line process, some on the assembly line, some with the parts going to the car instead of the car going to the parts.

There are two distinct assembly processes involved, one for unibody design cars (the most popular type today) and another for body on frame vehicles (most all trucks, and most rear wheel drive cars).

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Julies answer is correct of course.But some people believe they are made by god.

They give them names,worship them & baptise them on the driveway every Sunday.