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What does the yellow exclamation mark light in a sedan mean?

1 Answers
DeCorbin
07/25/25 12:37pm
When a yellow exclamation mark appears on the car dashboard, there are four possible scenarios: general fault, automatic transmission fault, abnormal tire pressure, and lighting fault. Below is a detailed analysis of these four situations: General Fault: A triangle with an exclamation mark inside indicates that there is a fault with the car's general performance, components, or functions. Common issues include parking sensor failure, fuel cut-off 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 that there is a problem with the transmission or that the transmission lubricant level is below the normal range. The transmission oil should be replaced promptly. Abnormal Tire Pressure: An exclamation mark inside a horizontal line under a bracket 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 there is an issue with one of the car lights. 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 lights to identify the problem. Additionally, a red exclamation mark inside a circle with brackets indicates a warning related to the braking system, which may be due to a braking system malfunction or low brake fluid level. The braking system should be inspected immediately to avoid accidents.
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