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What Does the Triangle Exclamation Mark in BMW 3 Series Mean?

1 Answers

OBlakely

07/30/25 6:26am

A triangle with an exclamation mark indicates a malfunction in the vehicle's general performance, components, or functions. Common causes include parking sensor failure, fuel cutoff system intervention or malfunction, external light failure, or engine oil pressure sensor failure. Solution: Visit a 4S shop for inspection to identify the source of the fault. The exclamation mark is a common fault warning in cars. Besides the triangle exclamation mark, there are four other forms: a yellow gear with an exclamation mark, a red circle with parentheses and an exclamation mark in the middle, a yellow bracket with a horizontal line and an exclamation mark in the middle, 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 indicates an automatic transmission fault warning light, signaling a transmission malfunction or low transmission fluid. The transmission fluid should be replaced promptly. Brake System Fault: A red circle with parentheses and an exclamation mark in the middle represents a brake system warning, indicating either a brake system malfunction or low brake fluid. Immediate inspection of the brake system is necessary to avoid accidents. Tire Pressure Anomaly: A yellow bracket with a horizontal line and an exclamation mark in the middle represents 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 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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Is it okay to keep the car door open after the engine is turned off?

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