Warning light may refer to:
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Aircraft warning lights
Aviation obstruction lighting is used to enhance the visibility of structures or fixed obstacles which may conflict with the safe navigation of aircraft. Obstruction lighting is commonly installed on towers, buildings, and even fences located i ...
, a device used on radio masts and towers and other tall structures to prevent collisions
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Idiot light
A tell-tale, sometimes called an idiot light 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 f ...
, an indicator of malfunction of a system within a motor vehicle, especially if used to replace a gauge
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Check engine light
A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction. Found on the instrument panel of most automobiles, it usually bears the legend , , , , , o ...
, to indicate malfunction of a computerized engine management system
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Warning Light, an American ambient music project
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