warning light

• Indicador visual no painel de instrumentos ou console que acende para avisar o usuário sobre um possível problema, falha ou estado crítico de um sistema, como um veículo ou 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.

   Luz de advertência

   • 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.

   Luz de advertência

   • 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.