What does the exclamation mark inside a yellow bulb indicate?

2 Answers
JourneyFitz
07/24/25 11:53pm
Yellow bulb with an exclamation mark is the lighting fault indicator, indicating that there is a fault with the vehicle's lights. 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 lighting to identify the issue. The exclamation mark is a common fault indicator in vehicles. Besides the yellow bulb with an exclamation mark, there are four other forms of exclamation marks: an exclamation mark inside a triangle, an exclamation mark inside a yellow gear, an exclamation mark inside a circled parenthesis, and an exclamation mark inside a parenthesis with a horizontal line below. Here is a detailed analysis: General Fault: An exclamation mark inside a triangle. If this symbol lights up, it indicates a fault with the vehicle's general performance, components, or functions. 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: An exclamation mark inside a yellow gear. This is the automatic transmission fault warning light, indicating a problem with the transmission or that the transmission fluid is below the normal range. The transmission fluid should be replaced promptly. Brake System Fault: An exclamation mark inside a circled parenthesis. This represents a brake system warning, mainly indicating a brake system malfunction or low brake fluid level. The brake system should be inspected immediately to avoid accidents. Tire Pressure Anomaly: An exclamation mark inside a parenthesis with a horizontal line below. This represents the tire pressure monitoring warning light, which illuminates when the tire pressure is too low. Check the vehicle's tire pressure and restore it to the normal range.
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VonBrantley
08/10/25 3:33pm
Last time I was driving, I also saw a yellow bulb with an exclamation mark light up on the dashboard—it was so alarming! Later, I found out that this indicates a problem with the lighting system. The most common issue is a burnt-out bulb, such as a brake light, reverse light, or license plate light not working. It could also be due to poor wiring contact, especially after rain or car washing, which can cause a short circuit. A blown fuse can also trigger this warning. I checked the manual specifically—this symbol is called the lighting fault indicator, reminding you to check immediately. If you notice this warning while driving at night, you must pull over and inspect it—safety first!
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