Many guys prefer to be artists as a hobby. In turn, the occupation of artist can match itself with some other occupations: welder e. g. Any welder can confirm he feels himself as an artist. Moreover, many welders do arts in the spare time.
So car repair is also kind of art. The art we can fall in love with. Whether it is body work such as sanding and painting or some kind of mechanical replacements. Just be an artist.