Final answer:
A red indicator light on a dashboard indicates a warning or a problem with a specific system or component in the vehicle.
Step-by-step explanation:
A red indicator light on a dashboard indicates a warning or a problem with a specific system or component in the vehicle. It serves as a visual warning to the driver that attention is required. For example, a red indicator light may indicate a low oil pressure, a malfunctioning engine, or an issue with the brakes. It is important for the driver to consult the vehicle's manual or take it to a mechanic to diagnose and fix the problem when a red indicator light appears.