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Why is there an exclamation mark displayed on the car dashboard?

2 Answers
BrodyDella
09/04/25 5:08am
An exclamation mark appearing on the car dashboard can indicate one of five possible issues: general faults, automatic transmission faults, brake system faults, abnormal tire pressure, or lighting faults. Below is a detailed analysis of these five scenarios: General Faults: A triangle with an exclamation mark inside. If this symbol lights up, it indicates a malfunction in 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 Faults: A yellow gear with an exclamation mark inside. This is the automatic transmission fault warning light, indicating a problem with the transmission or that the transmission fluid level is below the normal range. The transmission fluid should be replaced promptly. Brake System Faults: A circle with parentheses and an exclamation mark in the middle. This represents a brake system warning, typically indicating a brake system malfunction or low brake fluid level. Immediate inspection and repair of the brake system are required to avoid accidents. Abnormal Tire Pressure: A horizontal line with parentheses below and an exclamation mark in the middle. This is the tire pressure monitoring warning light, which illuminates when the car's tire pressure is too low. Check the tire pressure and restore it to the normal range. Lighting Faults: A yellow bulb with an exclamation mark. This is the lighting fault indicator, signaling that a car light has malfunctioned. Solution: Visit a 4S shop for inspection and repair as soon as possible. Alternatively, you can perform a self-check, focusing on commonly used bulbs such as turn signals, fog lights, and interior lights to identify the issue.
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LeVincent
09/16/25 6:09am
From my driving experience, an exclamation mark on the dashboard usually indicates an important warning from the vehicle. Common causes include brake system failures such as low fluid levels or ABS issues, or severe tire pressure deficiency—the tire icon with an exclamation mark is a typical example. Sometimes, engine malfunctions or low battery levels can also trigger this warning. I once encountered a situation where a leak in the master brake cylinder caused the warning light to illuminate, which was resolved by promptly adding brake fluid. This symbol should never be ignored as it signifies safety risks, such as brake failure leading to accidents. It's advisable to immediately pull over in a safe area to check tire pressure and fluid levels. If the issue persists, quickly visit a professional repair shop to read the diagnostic codes. Preventive measures include monthly tire pressure checks and regular brake system maintenance, which not only reduce sudden warnings but also extend the vehicle's lifespan. Developing such habits in daily driving ensures peace of mind and reliability.
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