Most cars and trucks utilize a "P–R–N–D–L" layout with the gear selector, which consists of the following positions:[33] The General Motors Hydra-Matic turned the primary mass-produced automatic transmission pursuing its introduction in 1939 (1940 product yr). Offered as a choice in vehicles including the Oldsmobile Sequence sixty and Cadillac Sixty https://gearboxauto17384.like-blogs.com/33925623/details-fiction-and-gearbox-auto