ABS light. On some vehicles ... One of the more obvious dashboard lights, these refer to a door being left open. In some vehicles, this light may illuminate if the rear hatch or trunk is open ...

If that controller gets insufficient data, or a hydraulic pump or valve isn't responding, it illuminates the ABS light on the dashboard. ABS relies on a properly operating conventional brake system.

Winning the award for best throwback dashboard warning light ... theme when it comes a car’s stopping power, an illuminated ABS light often means there’s an issue with a wheel speed sensor ...

A dashboard ABS warning light is supposed to come on for a few seconds every time a vehicle is started, but if it comes on while driving it signals that the control module has conked out ...