ABS light: It indicates that the anti-lock braking system (ABS) is deactivated due to some problem in the system.
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When the car starts, this light comes on and after a few seconds it should go out. If it is still on, that means that there is a problem with the ABS and, as a preventive measure, the system will be deactivated. The driver will be able to stop the car normally but if the wheels are locked the ABS will not come into action, which is a big risk.