···
Log in / Register

What does a yellow exclamation mark on the dashboard mean?

4 Answers
VanEmily
07/29/25 4:42pm

There are four possible scenarios when a yellow exclamation mark appears on the car dashboard: general malfunction, automatic transmission failure, abnormal tire pressure, and lighting system failure. Below is a detailed analysis of these four situations: General Malfunction: A triangle with an exclamation mark inside indicates a fault 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 malfunction. It is recommended to visit a 4S shop for inspection to identify the source of the problem. Automatic Transmission Failure: A yellow gear with an exclamation mark inside is the automatic transmission warning light, indicating a transmission fault or that the transmission fluid level is below the normal range. The transmission fluid should be replaced promptly. Abnormal Tire Pressure: An exclamation mark inside a horizontal line under a parenthesis represents the tire pressure monitoring warning light. This light illuminates when the tire pressure is too low. Check the tire pressure and restore it to the normal range. Lighting System Failure: A yellow bulb with an exclamation mark is the lighting system failure indicator, signaling that a vehicle light has malfunctioned. 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. Additionally, a red exclamation mark inside a circled parenthesis indicates a brake system warning, typically signaling a brake system malfunction or low brake fluid level. Immediate inspection and repair of the brake system are necessary to avoid accidents.

Was this review help?
19
3
Share
VonPaislee
08/14/25 6:12am

Last time I was driving on the road, I suddenly saw a yellow exclamation mark pop up on the dashboard, and my heart skipped a beat. Generally speaking, this yellow indicator most commonly means a tire pressure warning, indicating that one of the tires has low pressure. Possible reasons include temperature changes causing air contraction, slow leaks, or punctures from small stones. But don't panic—first, safely pull over, turn off the engine, and check the user manual. The manual will tell you the specific issue because different car designs vary, and it could also be an ABS or brake system warning. If the tire pressure is low, use an inexpensive tire pressure gauge to check and inflate to the standard value, then restart the car to see if the light turns off. If it doesn't, the sensor might be faulty—don't force it and head to a repair shop. Safety comes first—don't delay to avoid unexpected blowouts that could harm you or others. Make it a habit to check tire pressure monthly when the tires are cold to save fuel and prevent this issue.

Was this review help?
11
1
Share
Expand All
StElliot
10/13/25 2:37am

As a friend who just started learning to drive, I had this experience: Shortly after taking my new car on the road, the yellow exclamation mark on the dashboard lit up, which really gave me a scare! Online sources said it's usually a tire pressure issue, but I wasn't quite sure, so I first pulled over in a safe spot to check the manual for confirmation. If it's low tire pressure, the cause could be cold weather shrinking the tires or a small puncture leak. I downloaded a tire pressure app on my phone to reference standard values, then used a borrowed tire pressure gauge to check and adjust each tire one by one. If the pressure was too low, I drove to a self-service air station to inflate them. If the light remained on, worrying it might be a deeper issue like brake failure or an electronic malfunction, I'd promptly find a nearby repair shop, not daring to be careless to avoid accidents on the road. Remember, this warning isn't urgent but needs attention—prevention is better than cure. Taking time to check tire pressure monthly can save a lot of trouble.

Was this review help?
19
4
Share
Expand All
MacKathryn
11/26/25 3:37am

After driving for a long time, I noticed that this yellow exclamation mark stays illuminated, which usually indicates the tire pressure warning light is on. It could be due to insufficient tire pressure caused by a leak or temperature effects. Simple solution: pull over to check the manual to locate the issue, measure the tire pressure and adjust it to the standard value. If the light remains on, consider potential ABS or sensor issues—don't ignore it, safety comes first.

Was this review help?
11
1
Share
Expand All
More Forum Discussions

How Long Does It Take to Fully Charge a Car After Starting?

It takes about half an hour of driving to fully charge the car battery. Here is some related knowledge about car charging: Purpose of charging: The battery power is mainly used to start the car, which consumes a significant amount of energy. However, once the car is running, the battery power is no longer depleted. Precautions: While the car is running, the alternator charges the battery, so there is rarely a need for dedicated charging. However, if the battery is severely depleted due to an unexpected situation, it should be charged promptly and not rely solely on the car's charging system. Generally, after the car engine is turned off, all related equipment switches should be turned off promptly; otherwise, it may lead to severe battery depletion.
17
0
Share

What is the maintenance cycle for motor vehicles?

Motor vehicles generally require maintenance every approximately 5,000 kilometers. Here are the key points regarding engine maintenance: Maintenance content: Primarily involves changing the engine oil and filter. Replace the air filter every 20,000 kilometers, and clean the fuel system, replace the fuel filter, and maintain the radiator cooling net every 30,000 kilometers. For regular maintenance, it's best to use fully synthetic engine oil, which is significantly better than semi-synthetic oil. Purpose: Both new and old vehicles' engines should undergo maintenance because the engine is the most crucial component of a car. Engine maintenance plays a vital role in maintaining vehicle condition and ensures safety during driving.
3
0
Share

What engine does the Lamando GTS use?

Lamando GTS uses a 2.0-liter turbocharged engine. The specific details of the Lamando GTS are as follows: Power specifications: The 2.0-liter turbocharged engine in the Lamando GTS delivers 220 horsepower and a maximum torque of 350 Nm. This engine can output maximum power between 4,500 and 6,200 rpm, and reach peak torque between 1,500 and 4,400 rpm. The engine features hybrid injection technology and utilizes an aluminum alloy cylinder head with a cast iron cylinder block. Suspension system: The Lamando GTS employs a MacPherson independent front suspension and a multi-link independent rear suspension. The multi-link independent suspension enhances wheel contact with the road surface, thereby improving traction.
16
0
Share

What is the fuel consumption per 100 kilometers for the Geely Xingrui?

The comprehensive fuel consumption of the Geely Xingrui is 6.7L/100km. Currently, there are 7 models of the Geely Xingrui available for sale: Elite, Luxury, Luxury+, Time-Space Edition Haoyue, Premium, Flagship, and Time-Space Edition Xingchen. All these models have a comprehensive fuel consumption of 6.7L/100km. The above figures are based on the NEDC comprehensive fuel consumption, which is the fuel consumption data measured under the NEDC test procedure. The actual fuel consumption is higher than this value, around 10L. Specific factors affecting car fuel consumption are as follows: Car weight: The larger and heavier the car, the higher the fuel consumption. Generally, a small family car with a 1.6L engine weighs around 1.2 tons, with a fuel consumption of about 7.5 liters (calculated under full load conditions), while an SUV model weighs around 1.5 tons, with a fuel consumption of 8.5 liters. Different weights result in different fuel consumption levels. Drag coefficient: The higher the drag coefficient, the more fuel the car consumes while driving. If the car has a better aerodynamic design, the drag coefficient is lower, leading to lower fuel consumption. Economical RPM: During driving, the engine has an optimal torque output point for fuel efficiency. Maintaining the car's speed within this torque output point significantly reduces fuel consumption. Generally, for small-displacement cars, this is around 70 km/h, while for large-displacement cars, it is about 100 km/h. Keeping the speed within this economical RPM range ensures minimal fuel consumption. Driving style: Aggressive driving behaviors such as sudden acceleration, frequent overtaking, and not easing off the throttle before encountering a red light can increase fuel consumption.
18
1
Share

How Does a Differential Lock Work?

The working principle of a differential lock is that the friction plate type locks the differential by generating a friction torque through the relative sliding between the friction plates. However, the differential lock should only be used in extreme off-road conditions or severe situations. Using it during normal driving can cause serious damage to the car's tires and other components. Here is a detailed introduction to the differential lock: Differential Lock Overview: It is a locking mechanism for the differential, used to lock the inter-wheel differential (between the left and right half-shafts) or the inter-axle differential (between the front and rear drive axles), to address situations where one or more wheels lose traction and cannot free the vehicle. Function of the Differential Lock: The differential lock refers to locking the differential housing and the half-shaft into one unit when one driving wheel slips, causing the differential to lose its differential function and transferring all torque to the other driving wheel. Differential locks come in various forms, commonly including friction plate type and cone type, with their effectiveness determined by the locking coefficient. The locking coefficient refers to the maximum multiple K by which the torque on the two half-shafts may differ. The locking effect increases with the input torque and the torque difference. Modern differential locks also adopt electronic control forms to adapt to varying usage conditions. Advantages and Disadvantages of the Differential Lock: Advantages of the Differential Lock: In off-road conditions, it allows all wheels of the vehicle to receive effective power, helping the vehicle escape difficult situations. Disadvantages of the Differential Lock: It must be engaged while the vehicle is stationary.
11
3
Share

What Are Some Driving Tips for Highways?

Highway driving techniques include the following. Speed Limit: Before entering the highway, set a speed limit for yourself. It is recommended that first-time drivers maintain a speed of 90-100 km/h under normal road conditions. Check Carefully Before Overtaking: Especially when overtaking large trucks, you must first turn on the turn signal, continuously honk the horn, and if necessary, flash the high beams to signal, ensuring the vehicle ahead is aware of your intention to overtake. Maintain a Safe Distance: Keep a following distance of 100 meters. Highway signs indicating safe distances will frequently appear, helping you estimate your following distance. Avoid driving behind large trucks for extended periods, as their size can obstruct your view ahead. Additionally, some trucks have dim tail lights, which can pose hidden dangers.
13
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.