What does a yellow circle with an exclamation mark mean?

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A yellow circle with an exclamation mark is the starter system indicator light. When this light is on, it indicates an electronic control system malfunction in the engine. Faults are categorized into genuine faults and false faults. False faults will turn off after using diagnostic tools to read the codes, while genuine faults require retrieving fault codes with diagnostic tools and clearing the fault according to the codes before the warning light can be extinguished. The starting system converts electrical energy stored in the battery into mechanical energy using the starter. The function of the starter is to generate power through a DC motor, which is then transmitted through various mechanisms to rotate the engine crankshaft, thereby enabling engine startup.