1952: DeSoto power steering is just like dialing a telephone
Chrysler was the first American manufacturer to introduce hydraulic power steering systems into production cars, for the 1951 model year. By 1952, even the affordable DeSoto (stationed above the Dodge and Plymouth brands but below Chrysler in the company prestige hierachy) could be purchased with power steering. Here's an advertisement showing that the one-finger ease of cranking the DeSoto's wheel was just like dialing a telephone. The future had arrived!