···
Log in / Register

What does the bulb exclamation mark mean when it appears on the car?

4 Answers
ArcherRose
07/29/25 8:49pm

Yellow bulb with an exclamation mark is the lighting fault indicator, indicating that there is a fault with the car lights. Solution: Go to a 4S shop for inspection and treatment as soon as possible, or you can check it yourself. Focus on checking commonly used bulbs such as turn signals, fog lights, and interior lighting to see where the problem is. The exclamation mark is a common fault prompt in cars. In addition to 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 in the middle of a bracket circle, and an exclamation mark in the middle of a bracket 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 that the car's general performance or components and functions have malfunctioned. Mainly includes parking sensor failure, fuel cut-off system intervention or failure, external light failure, engine oil pressure sensor failure, etc. It is necessary to go to a 4S shop for inspection to find out the source of the fault. Automatic transmission fault: An exclamation mark inside a yellow gear. This is the automatic transmission fault warning light, indicating that there is a fault with the transmission or the transmission lubricating oil is below the normal range. The transmission oil needs to be replaced in time. Brake system fault: An exclamation mark in the middle of a bracket circle. This represents a warning of the brake system, mainly including brake system failure and low brake fluid level. The brake system needs to be inspected immediately to avoid accidents. Tire pressure abnormality: An exclamation mark in the middle of a bracket with a horizontal line below. This represents the tire pressure monitoring warning light. When the car's tire pressure is too low, this warning light will come on. Check the car's tire pressure and restore it to the normal range.

Was this review help?
13
3
Share
Elisa
08/14/25 6:22pm

I've been driving for over a decade, and when that bulb-with-exclamation-mark light comes on the dashboard, it means there's a fault in the lighting system. The most common issues are burnt-out taillights or brake lights – bulbs can break easily due to aging or heavy bumps. I remember a few years ago during a long drive when this light suddenly came on. After checking, I found the rear brake light wasn't working – I only realized the danger when other drivers honked at me. Blown fuses are also common; just open the hood, locate the corresponding fuse for the lights in the fuse box and try replacing it. For wiring issues like poor contact or short circuits, you'll need professional help. Regularly check if all lights are working – don't underestimate this, as driving at night without proper lighting is unsafe and could get you fined by traffic police. Changing bulbs yourself isn't hard, but don't force it – safety first.

Was this review help?
1
3
Share
Expand All
StDominic
10/16/25 6:46am

That bulb warning light flashing on the dashboard indicates a lighting issue, like headlights or brake lights not working. Here's what you can do: First, pull over safely. The inspection steps are simple - get in the car, turn on the lights, walk around to check all lights; pay special attention to rear lights when braking. If a light's out, it's likely a burnt bulb - just pull it out and replace it. For blown fuses, locate the small box in the engine compartment and replace the corresponding fuse. Wiring issues are rare but complex; leave those to professionals if you're not handy. Bulbs cost just a few bucks, with plenty of online tutorials showing replacement. Regularly check your lights, especially in rainy weather, to avoid trouble. Never compromise driving safety with faulty lighting.

Was this review help?
19
1
Share
Expand All
EverettLee
11/29/25 7:33am

Kid, the bulb with an exclamation mark symbol on the car dashboard indicates a problem with the lighting system, which should not be taken lightly. If a light is faulty, such as the brake light, others may not see you slowing down, increasing the risk of a collision; at night, a failed headlight is even more dangerous as it makes the road dark and hard to see. Immediately slow down and pull over to check if all the exterior lights are functioning. If not, head to a repair shop promptly. A simple bulb failure can lead to serious consequences, so prioritize safety and don’t delay.

Was this review help?
19
5
Share
Expand All
More Forum Discussions

What Causes a Spark Plug to Fail to Ignite?

Spark plug failure to ignite is caused by a damaged spark plug. A damaged spark plug can directly lead to issues such as leakage in the vehicle's ignition system, increased fuel consumption, reduced power, and most importantly, difficulty in ignition, affecting the normal operation of the vehicle. Severe erosion of the spark plug, including blistering at the top, damage, or melted and eroded electrodes, indicates that the spark plug is damaged and should be replaced. Methods to determine if a spark plug is damaged: Remove the spark plug and observe its condition based on the following appearance colors. A normal spark plug's insulator skirt and electrodes should appear grayish-white, grayish-yellow, or light brown. A properly functioning spark plug has a reddish-brown insulator skirt, with an electrode gap between 0.8-0.9mm and no signs of electrode burn. If the spark plug has oil stains or deposits but is not damaged, it can continue to be used after cleaning off the oil and deposits. If the spark plug is severely damaged, showing signs such as blistering, black streaks, cracks, or melted electrodes, the cause of the damage should be identified. After troubleshooting, replace the spark plug with a new one. Additionally, if the spark plug appears black as if smoked, it indicates the wrong heat range was selected or the mixture is too rich, with oil creeping up.
13
0
Share

What Items Need to Be Replaced During Car Maintenance?

Car maintenance items that require replacement include engine oil, oil filter, coolant, windshield washer fluid, etc. Below is the relevant information: 1. Engine Oil and Oil Filter: Engine oil and oil filters generally need to be replaced during every maintenance service. Car engine oil is typically divided into three types: mineral oil, semi-synthetic oil, and full-synthetic oil. Different oils have different replacement intervals. Generally, mineral oil should be replaced every 5,000 kilometers or six months, semi-synthetic oil every 7,000 kilometers or six months, and full-synthetic oil every 10,000 kilometers or one year. During daily driving, if the driving environment is harsh, the oil replacement interval may vary. 2. Coolant: Car coolant not only provides antifreeze protection but also helps cool the engine during operation. In winter, when temperatures are low, coolant prevents low-temperature damage to the engine. Typically, coolant needs to be replaced every three years or 50,000 kilometers. When replacing coolant, note that different brands and types of coolant should not be mixed, as this can lead to reduced performance. 3. Windshield Washer Fluid: Windshield washer fluid is primarily used to clean dirt from the windshield and should be refilled when depleted. During winter, it is recommended to use antifreeze windshield washer fluid to prevent the washer fluid reservoir from freezing and affecting normal use.
5
5
Share

How to Repair a Small Damage on Car Window Film?

To repair a small damage on car window film, you can use the following methods: 1. Use a specialized film heater: By heating the outer surface of the film with a back-and-forth motion, but avoid heating large areas at once to prevent previously heated sections from cooling down and rendering the effort ineffective. This method can address most issues where the film is difficult to remove. The downside is that it requires some experience to master the 'heat control.' 2. Use solvents like alcohol: Apply a small amount of alcohol to the adhesive area, wait a few minutes for it to dissolve fully, then use a clean towel or a utility knife to easily remove the residue.
7
2
Share

What is the principle of a parking sensor?

The principle of a parking sensor is: during reversing, it utilizes ultrasonic waves. The sensor, installed on the rear bumper of the vehicle, emits ultrasonic waves that reflect off obstacles. The system then calculates the actual distance between the vehicle and the obstacle and alerts the driver, making parking or reversing easier and safer. Parking sensors are safety assistive devices for vehicles when parking or reversing. They inform the driver about surrounding obstacles through sound or more intuitive displays, eliminating the hassle of checking around the vehicle when parking, reversing, or starting, and helping the driver overcome blind spots and unclear vision.
14
3
Share

How to Turn on the Air Conditioning in an Audi Q7?

Audi Q7 air conditioning activation method: Press the button in the middle of the air conditioning panel. To activate cold air, press the AC button; for warm air, simply adjust the temperature higher or lower without pressing the AC button. More information about the Audi Q7 is as follows: 1. The Audi Q7 is a midsize to large SUV that emphasizes comfort, skillfully integrating sportiness, functionality, high technology, and luxury quality. On the road, it stands out with its infinitely dynamic handling and sporty characteristics. 2. The Audi Q7 is equipped with a four-wheel steering system. At low speeds, the rear wheels turn in the opposite direction during steering, reducing the turning radius and the width of the driving path; at high speeds, the rear wheels turn in the same direction, improving wheel response speed, dynamic performance, and stability. Additionally, the four-wheel steering system effectively assists the intelligent parking system and trailer assist system.
2
2
Share

How to reset the service wrench indicator on Landwind X5?

Landwind X5 service wrench reset procedure is as follows: 1. Press and hold the small button on the top of the wiper stalk. 2. After about 20 seconds, the next service mileage will appear. 3. Wait for a moment, and when returning to the main interface, you will see the service wrench indicator has been cleared. Additional information about Landwind X5: 1. Landwind X5 is China's first independently developed SUV equipped with 2.0T+6MT/8AT. 2. Landwind X5 is Landwind's all-new urban SUV model, featuring streamlined and sharp body lines with a very sporty overall design.
4
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.