warning light

• Luz o indicador visual en un panel de instrumentos o de control que se enciende para advertir al usuario sobre un posible problema, fallo o condición crítica del sistema, como en un automóvil o una máquina.

A visual indicator on a dashboard or control panel that illuminates to alert the user of a potential problem, malfunction, or critical condition in a system, such as a vehicle or machinery.

1. Dashboard indicatorB1formal

   A light on a vehicle's dashboard or control panel that illuminates to alert the driver of a problem or required action.

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   • The warning light for the engine came on during the drive.
   • If the oil warning light turns red, stop the car immediately.
   • He ignored the warning light and the battery died.

2. System alertB1formal

   A visual signal on a machine or electronic device indicating a malfunction, low power, or other condition requiring attention.

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   • The printer's warning light flashed when the paper jammed.
   • A warning light on the control panel signaled a system error.
   • The smoke detector's warning light blinked to indicate a low battery.