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The development of automatic headlight systems at General Motors can be traced back to the early 1950s. In 1952, GM introduced the Autronic Eye, an automatic headlight dimming system, for Oldsmobile and Cadillac models. [2] Twilight Sentinel, which expanded on the concept of automatic lighting control, was introduced in the mid-1960s.
General Motors introduced the first automatic headlight dimmer called the "Autronic Eye" in 1952 on their Cadillac, Buick, and Oldsmobile models; the feature was offered in other GM vehicles starting in 1953. [148] [149] The system's phototube and associated circuitry were housed in a gunsight-like tube atop the dashboard. An amplifier module ...
The Capri was also one of the first vehicles to offer an automatic headlight dimmer as optional equipment. [9] It sold 23,673 copies, [ 3 ] amounting to 87% of Lincoln's total output that year, [ 3 ] actually down from 29,552 in 1954.
Since as early as the 2020s, several car manufacturers have noticeably omitted the front fog lights from many of their latest models, as more recent high-tech lighting technologies such as daytime running lamps (DRLs) and LEDs connected to automatic high-beam systems negate the use of fog lights. [20]
The following is a list of vehicles that feature hidden headlamps (also called pop-up headlights). [1] The vast majority of hidden headlamps are on cars , however, there are a handful of vehicles included in the list that do not fit this category.
Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...