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What does a yellow exclamation mark in a car mean?

1 Answers

LylaLee

07/30/25 3:29am

When a yellow exclamation mark appears on the car dashboard, it indicates one of four possible issues: general malfunction, automatic transmission failure, abnormal tire pressure, or lighting system failure. Below is a detailed analysis of these four scenarios: General Malfunction: A triangle with an exclamation mark inside indicates a fault in the car's general performance, components, or functions. Common causes include parking sensor failure, fuel cut-off system intervention or malfunction, external light failure, or engine oil pressure sensor malfunction. It is recommended to visit a 4S shop for inspection to identify the source of the issue. Automatic Transmission Failure: A yellow gear with an exclamation mark inside is the automatic transmission warning light, indicating a transmission fault or low transmission fluid level. The transmission fluid should be replaced promptly. Abnormal Tire Pressure: A horizontal line under a bracket with an exclamation mark in the middle represents the tire pressure monitoring warning light. This light illuminates when the tire pressure is too low. Check the tire pressure and adjust it to the normal range. Lighting System Failure: A yellow bulb with an exclamation mark is the lighting fault indicator, signaling a malfunction in one of the car'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. There is also a red exclamation mark inside a circled bracket, which indicates a brake system warning. Possible causes include brake system failure or low brake fluid level. Immediate inspection of the brake system is necessary to prevent accidents.

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