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What does the yellow exclamation mark light on a car mean?

1 Answers

Claire

07/30/25 8:13am

When a yellow exclamation mark appears on the car dashboard, there are 4 possible scenarios: general faults, automatic transmission faults, abnormal tire pressure, and lighting faults. Below is a detailed analysis of these 4 situations: General Faults: An exclamation mark inside a triangle indicates that the car's general performance, components, or functions have malfunctioned. Common issues include parking sensor failure, fuel cutoff system intervention or malfunction, external light failure, or engine oil pressure sensor failure. It is necessary to visit a 4S shop for inspection to identify the source of the fault. Automatic Transmission Fault: A yellow gear with an exclamation mark inside is the automatic transmission fault warning light, indicating a transmission issue or that the transmission fluid is below the normal range. The transmission fluid should be replaced promptly. Abnormal Tire Pressure: An exclamation mark under a horizontal line inside parentheses represents the tire pressure monitoring warning light. This light turns on when the tire pressure is too low. Check the tire pressure and restore it to the normal range. Lighting Fault: A yellow bulb with an exclamation mark is the lighting fault indicator, signaling that a car light has malfunctioned. Solution: Visit a 4S shop for inspection as soon as possible, or conduct a self-check, focusing on commonly used bulbs such as turn signals, fog lights, and interior lighting to identify the issue. There is also a red exclamation mark inside a circle with parentheses, which represents a brake system warning. Possible causes include brake system failure or low brake fluid level. Immediate inspection of the brake system is required to avoid accidents.

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