Twilight Sentinel
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Twilight Sentinel
Twilight Sentinel is a device on General Motors cars that senses outside light and turns the exterior lights on and off depending on lighting conditions. In addition, Twilight Sentinel also allows the driver to set a timer (located with the headlight switch) that delays shutting off the headlights for a specified time period, usually up to three minutes. The driver can park the vehicle, shut off the car's engine and exit the automobile after dark, then use the headlights to light the path into a nearby building, such as a house, before the system shuts the headlights off automatically. An electric photocell located in the dashboard detects the environmental lighting conditions and activates the headlights as needed. Usually, this means turning on the headlights at dusk and shutting them off after sunrise. The system requires that a change in the environmental lighting conditions remains consistent for approximately 10 seconds before a change in the headlights is activated. For exa ...
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General Motors Corporation
The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and was the largest in the world for 77 years before losing the top spot to Toyota in 2008. General Motors operates manufacturing plants in eight countries. Its four core automobile brands are Chevrolet, Buick, GMC (automobile), GMC, and Cadillac. It also holds interests in Chinese brands Wuling Motors and Baojun as well as DMAX (engines), DMAX via joint ventures. Additionally, GM also owns the BrightDrop delivery vehicle manufacturer, GM Defense, a namesake Defense vehicles division which produces military vehicles for the United States government and military; the vehicle safety, security, and information services provider OnStar; the auto parts company ACDelco, a GM Financial, namesake financial lending service; and majority ownership in t ...
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RainSense
A rain sensor or ''rain switch'' is a switching device activated by rainfall. There are two main applications for rain sensors. The first is a water conservation device connected to an automatic irrigation system that causes the system to shut down in the event of rainfall. The second is a device used to protect the interior of an automobile from rain and to support the automatic mode of windscreen wipers. How Does a Rain Sensor Work? Operation The rain sensor works on the principle of total internal reflection. ... An infrared light beams at a 45-degree angle on a clear area of the windshield is reflected and it is sensed by thesensor-inside the car. When it rains, the wet glass causes the light to scatter and lesser amount of light gets reflected back to the sensor An additional application in professional satellite communications antennas is to trigger a rain blower on the aperture of the antenna feed, to remove water droplets from the mylar cover that keeps pressurized ...
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Automatic Headlight Dimmer
A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage, ''headlamp'' is the term for the device itself and ''headlight'' is the term for the beam of light produced and distributed by the device. Headlamp performance has steadily improved throughout the automobile age, spurred by the great disparity between daytime and nighttime traffic fatalities: the US National Highway Traffic Safety Administration states that nearly half of all traffic-related fatalities occur in the dark, despite only 25% of traffic travelling during darkness. Other vehicles, such as trains and aircraft, are required to have headlamps. Bicycle headlamps are often used on bicycles, and are required in some jurisdictions. They can be powered by a battery or a small generator like a bottle or hub dynamo. History of automotive headlamps Origins The first horseless carriages used carriage lamps ...
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Ford Motor Company
Ford Motor Company (commonly known as Ford) is an American multinational automobile manufacturer headquartered in Dearborn, Michigan, United States. It was founded by Henry Ford and incorporated on June 16, 1903. The company sells automobiles and commercial vehicles under the Ford brand, and luxury cars under its Lincoln luxury brand. Ford also owns Brazilian SUV manufacturer Troller, an 8% stake in Aston Martin of the United Kingdom and a 32% stake in China's Jiangling Motors. It also has joint ventures in China (Changan Ford), Taiwan (Ford Lio Ho), Thailand ( AutoAlliance Thailand), and Turkey ( Ford Otosan). The company is listed on the New York Stock Exchange and is controlled by the Ford family; they have minority ownership but the majority of the voting power. Ford introduced methods for large-scale manufacturing of cars and large-scale management of an industrial workforce using elaborately engineered manufacturing sequences typified by moving assembly lines; by ...
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Lincoln Motor Company
Lincoln Motor Company, or simply Lincoln, is the luxury vehicle division of American automobile manufacturer Ford Motor Company, Ford. Marketed among the top luxury vehicle brands in the United States, Lincoln was positioned closely against its General Motors counterpart Cadillac. The division helped to establish the personal luxury car segment with the 1940 Lincoln Continental. Lincoln Motor Company was founded in 1917 by Henry M. Leland, naming it after Abraham Lincoln. In February 1922, the company was acquired by Ford, its parent company to this day. Following World War II, Ford formed the Lincoln-Mercury Division, pairing Lincoln with its mid-range Mercury (automobile), Mercury brand; the pairing lasted through the 2010 closure of Mercury. At the end of 2012, Lincoln reverted to its original name, Lincoln Motor Company. Following the divestiture of Premier Automotive Group (Jaguar Cars, Jaguar, Land Rover, Aston Martin, and Volvo Cars, Volvo) and the closure of Mercury (a ...
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Chrysler
Stellantis North America (officially FCA US and formerly Chrysler ()) is one of the " Big Three" automobile manufacturers in the United States, headquartered in Auburn Hills, Michigan. It is the American subsidiary of the multinational automotive company Stellantis. In addition to the Chrysler brand, Stellantis North America sells vehicles worldwide under the Dodge, Jeep, and Ram nameplates. It also includes Mopar, its automotive parts and accessories division, and SRT, its performance automobile division. The original Chrysler Corporation was founded in 1925 by Walter Chrysler from the remains of the Maxwell Motor Company. It was acquired by Daimler-Benz, which in 1998 renamed itself DaimlerChrysler. After Daimler divested Chrysler in 2007, the company operated as Chrysler LLC (2007–2009) and Chrysler Group LLC (2009–2014) before being acquired by Fiat S.p.A. and becoming a subsidiary of the newly formed Fiat Chrysler Automobiles ("FCA") in 2014. Chrysler in 2021 is a ...
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Chrysler Imperial
The Chrysler Imperial, introduced in 1926, was Chrysler's top-of-the-line vehicle for much of its history. Models were produced with the Chrysler name until 1954, after which it became a standalone brand; and again from 1990 to 1993. The company positioned the cars as a prestige marque to rival Cadillac, Continental, Lincoln, Duesenberg, Pierce Arrow, Cord, and Packard. According to ''Antique Automobile'', "The adjective ‘imperial’ according to Webster's Dictionary means sovereign, supreme, superior or of unusual size or excellence. The word imperial thus justly befits Chrysler's highest priced model." For several decades and multiple generations, the Imperial was the exclusive Chrysler and the favorite choice of luxurious transportation for senior executive leadership, government officials, royalty and various celebrities in comparison to the more affordable Chrysler New Yorker. Over the years the appearance, technological advancements and luxurious accommodations updated w ...
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