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A warning triangle is, together with warning lights, used in order to secure a traffic accident site. The legal rules in the individual states partly order a warning triangle to be brought in the vehicle (in Germany according to § 53a StVZO). The warning triangle consists of three reflective beams, similar to a cat's eye, and a stable foot.
A 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. The "idiot light" terminology arises from popular frustration with automakers' use of lights for crucial functions which could previously be ...
Some other countries, like Argentina and Taiwan, use a combination of triangle and diamond-shaped warning signs. The warning signs usually contain a symbol. In Europe they are based on the UNECE Vienna Convention on Road Signs and Signals. In the United States they are based on the MUTCD standard and often contain text only.
The use of warner light beacons came into force on July 1, 2021, and both the warning triangle and conventional V16 lights can be used until January 2026. After that date, the only legal form of warning device that can be used in Spain is the V16 beacon light that has integrated geolocation and connected to the DGT 3.0 cloud. [2] [3]
In New Zealand, where traffic is on the left, when a road is given a green light from an all-direction stop, a red arrow can continue to display to turning traffic, holding traffic back while a pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).
The warning is followed by light braking to get the driver's attention. The third phase initiates autonomous partial braking at a rate of 3 m/s 2 (9.8 ft/s 2 ). The fourth phase increases braking to 5 m/s 2 (16.4 ft/s 2 ) followed by automatic full braking power, roughly half a second before projected impact.
Warning light may refer to: Aircraft warning lights, a device used on radio masts and towers and other tall structures to prevent collisions; Idiot light, an indicator of malfunction of a system within a motor vehicle, especially if used to replace a gauge Check engine light, to indicate malfunction of a computerized engine management system
In trigonometry, the law of sines, sine law, sine formula, or sine rule is an equation relating the lengths of the sides of any triangle to the sines of its angles. According to the law, = = =, where a, b, and c are the lengths of the sides of a triangle, and α, β, and γ are the opposite angles (see figure 2), while R is the radius of the triangle's circumcircle.