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A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.
Learn what that dashboard light means without a mechanic's visit with this OBD (on-board diagnostics) device. This $20 scanner connects to your car's computer system to diagnose problems Skip to ...
The electric immobiliser/alarm system was invented by St. George Evans and Edward Birkenbuel and patented in 1919. [2] They developed a 3x3 grid of double-contact switches on a panel mounted inside the car so when the ignition switch was activated, current from the battery (or magneto) went to the spark plugs allowing the engine to start, or immobilizing the vehicle and sounding the horn. [3]
Electronic stability control (also known as roll over protection) is a specific technology that helps keep the vehicle balanced. During harsh weather or tough road conditions that would cause vehicle steering to be extreme, this technology allows the drivers to regain control and prevent possible crashes, roll overs, and fishtails.
These "slick-top" cars mount their emergency lights within the cruiser, generally around the periphery of the windshield or into the leading or trailing edge of the roof. Slick-top police cars also lack the silhouette of a lightbar or beacon, making the car harder to identify as a police vehicle from a distance, especially fore and aft.
Tire warning light on a car dashboard. But in cold weather, the TPMS may trigger a warning because of something completely natural. The air inside a tire condenses in colder weather, taking up ...
Light guides are commonly used to distributively light dashboard displays, [155] and premium vehicles are beginning to use distributive systems for lighting such items as door locks, window controls, and cup holders. [156] Distributive exterior lighting has also been explored, with high-intensity central light sources. [157]
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