Unlike the horse rider, the wagon driver, or the cyclist, the motorist was going to depend for the fuel supply, as well as for the smallest kind of repair, on dealers and specialists in engines, lubrication, and ignition, and on the interchangeability of parts. Unlike all previous owners of a means of locomotion, the motorist’s relationship to his or her vehicle was to be that of user and consumer-and not owner and master. This vehicle, in other words, would oblige the owner to consume and use a host of commercial services and industrial products that could only be provided by some third party. The apparent independence of the automobile owner was only concealing the actual radical dependency.
Thought provoking essay from the seventies about cars and traffic.