The industry was caught by surprise by the advent of the automatic transmission in the early-to-late-1940s. General Motors' Dynaflow, introduced by Buick in 1948, was a smash hit with the public, very soon being fitted in over 80% of new Buicks.
The automotive industry was unprepared for the arrival of automatic transmissions in the early to late 1940s. General Motors' Dynaflow, introduced by Buick in 1948, became a popular choice among consumers, being installed in over 80% of new Buicks.