What Does It Mean When the Vehicle Maintenance Warning Light Comes On?

1 Answers
SanAurora
07/30/25 1:02am
The illumination of the maintenance light indicates a fault in the vehicle. Maintenance lights include the engine (exhaust system) fault light, oil system fault light, battery and power generation system fault light, etc. When the light comes on, it may affect driving safety at best or potentially damage the vehicle at worst, requiring immediate inspection or contacting the vehicle's brand 4S store for assistance. Introduction to Vehicle Maintenance Lights: ABS Fault Light. The ABS indicator light also comes on for a few seconds when the ignition is turned on and automatically turns off after self-checking. If this light does not go off after starting the car or comes on while driving, it indicates a fault in the ABS system, requiring prompt inspection at a service station. Engine (Exhaust System) Fault Light. This light indicates a fault in the engine's exhaust gas monitoring system, commonly known as catalytic converter poisoning. If this light comes on or flashes while driving, immediately reduce speed and proceed to the nearest service station for inspection. Power Steering System Fault Light. If the power steering system fault light comes on while driving, it indicates a fault in the power steering system. The steering assistance may be weakened or completely lost, making the steering wheel much harder to turn than usual. The best course of action is to drive to the nearest service station for repairs.
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