idiot light

== English == === Etymology === From idiot +‎ light, suggesting that even a stupid person with no mechanical knowledge can recognize a problem when thus indicated. === Pronunciation === === Noun === idiot light (plural idiot lights) (automotive, slang) Any warning light or indicator on the dashboard of a car, designed to alert the driver to problems, such as the parking brake being on or the oil being low. ==== Synonyms ==== dummy light warning light ==== Hypernyms ==== warning light ==== Translations ====