What does a red exclamation mark inside a triangle on the dashboard indicate?

2 Answers
DeCorbin
07/25/25 1:42pm
A triangle with an exclamation mark indicates a malfunction in 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. Solution: It is necessary to visit a 4S shop for inspection to identify the source of the fault. The exclamation mark is a common fault indicator in vehicles. Besides the triangle with an exclamation mark, there are four other forms of exclamation mark warnings: a yellow gear with an exclamation mark, a red exclamation mark inside a circle with parentheses, a yellow exclamation mark with a horizontal line below parentheses, and a yellow bulb with an exclamation mark. Below is a detailed analysis of these four scenarios: Automatic Transmission Fault: A yellow gear with an exclamation mark is the automatic transmission fault warning light, indicating a transmission malfunction or transmission fluid level below the normal range. Transmission fluid should be replaced promptly. Brake System Fault: An exclamation mark inside a circle with parentheses represents a brake system warning, typically indicating a brake system malfunction or low brake fluid level. Immediate inspection of the brake system is required to avoid accidents. Tire Pressure Anomaly: An exclamation mark with a horizontal line below parentheses is the tire pressure monitoring warning light, which illuminates 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 a malfunction in one of the vehicle's 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 issue.
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SanAdriel
08/11/25 8:51pm
I also encountered this yellow triangle with an exclamation mark light last time I was driving, and it scared me into pulling over immediately to check the manual. This is the master warning light, folks! When it lights up, it means the vehicle's computer has detected an abnormal condition. It could indicate major issues like brake system alerts, low tire pressure, or transmission failure, but more commonly, it's something minor like an unsecured trunk or low windshield washer fluid. New drivers, don't panic—first recall if there were any operational mistakes, like the electronic parking brake not being fully released. If the light keeps flashing accompanied by a beeping sound, it's safer to stop and call for assistance. Once, my tire pressure warning displayed this symbol, and after refilling the tires, it automatically turned off after driving a couple of kilometers.
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