···
Log in / Register

What does a triangle symbol on the car mean?

3 Answers
OEsther
09/04/25 5:21am
If it's a yellow triangle with an exclamation mark in the middle, then this should be the general fault indicator light. Possible causes include overheating of the dry dual-clutch transmission clutch, intervention or malfunction of the fuel cut-off system, failure of the engine oil pressure sensor, or warning/fault in the traction control system, etc. Below is an introduction about fault lights: 1. Classification: There are generally two colors of fault lights on cars, red and yellow. Yellow indicates a warning. When this fault light appears, the car can continue to be used, but the vehicle's performance may be somewhat limited, and fuel consumption might increase. Red indicates prohibition. When this fault light appears, the car must not be used; the cause must be identified and repaired before continuing use. 2. Common indicator lights: The oil indicator light, which looks like a teapot, is the oil pressure warning light. Beginners must understand this warning light as it concerns the heart of the car—the engine. If this light stays on, it indicates that the engine oil pressure or level is too low.
Was this review help?
7
3
Share
Bentley
09/16/25 6:21am
I remember feeling a bit panicked when that yellow triangle warning light popped up on my car's dashboard. This triangular symbol is actually a universal warning indicator, signaling an issue with one of the vehicle's safety systems. For instance, it's often related to the stability control system – if that fails, the car might skid during turns. It could also be triggered by minor transmission system malfunctions or sensor false alarms. I once encountered it when driving too fast on slippery roads, causing the ESP to fail activating. The solution was simple: slow down, pull over, turn off the engine for a few minutes, then restart. If the light remains on, consult the owner's manual for symbol meanings or use an OBD2 scanner to read fault codes. Ignoring it long-term may lead to more severe failures and increased driving risks. So whenever I see this symbol, my priority is getting professional inspection – never wait until it causes brake issues or compromises driving stability.
Was this review help?
19
1
Share
Expand All
EvaMarie
10/30/25 6:56am
When I first saw that triangle light come on, I was quite confused due to lack of experience. It usually means the car's computer is alerting you to potential issues, like unstable tires or electronic safety system malfunctions. Once I missed a check-up and it lit up—turned out the tire pressure was too low and affected the sensor. I'd advise you to immediately check other dashboard lights: if it's red, pull over to inspect; if yellow, you can handle it more leisurely. Don't rush to drive too fast. I've tried restarting the car to see if the light goes off, but often it's just a dirty sensor needing cleaning. The manual lists specific icon meanings—for example, a triangle with an exclamation mark indicates brake issues. In short, timely action saves money and ensures safety; otherwise, you risk accidents or higher repair costs.
Was this review help?
4
1
Share
Expand All
More Forum Discussions

How to Determine When to Replace the Timing Belt of a Car?

Methods to determine when to replace the timing belt of a car: If the timing belt shows significant cracks, slipping, or unusual noises, it needs to be replaced. The timing belt is a wear-prone component that can age and wear out over time. It is recommended that car owners check the belt's condition during each maintenance service. If the belt is in poor condition, it should be replaced promptly. Failing to replace it in time may lead to the belt breaking, potentially causing valve damage and serious consequences. It is important to note that not all car models require regular timing belt replacement. Some models have replaced the timing belt with a timing chain, which does not need replacement for the lifetime of the vehicle.
18
3
Share

Where is the China VI standard symbol generally located on a car?

The China VI standard symbol is usually indicated in the emission standard section on the vehicle's environmental protection label, which specifies the national emission level (e.g., China VI). For new cars, you can check the vehicle's factory certificate or the certificate of conformity. Alternatively, you can visit the public query platform of the Motor Vehicle Environmental Protection Network, enter the relevant vehicle information, and retrieve the details. China VI is divided into two phases: China VI A and China VI B. The China VI vehicle emission standard refers to the National Sixth Stage Vehicle Pollutant Emission Standard. The fuel under China VI standards significantly reduces the content of olefins, aromatics, benzene, etc., in gasoline, as well as the content of polycyclic aromatic hydrocarbons in diesel fuel.
6
4
Share

What are the effects of adding 92 gasoline to 95 gasoline?

The effects of adding 92 gasoline to 95 gasoline include: 1. Abnormal engine operation; 2. Increased car noise; 3. Reduced driving power; 4. Engine damage. Gasoline is a volatile and flammable hydrocarbon mixture liquid distilled or cracked from petroleum. At room temperature, it appears as a colorless to light yellow, easily flowing liquid that is difficult to dissolve in water and highly flammable. The differences between 92 gasoline and 95 gasoline are: 1. Different n-heptane content: 92 gasoline contains 8% n-heptane, while 95 gasoline contains 5% n-heptane. 2. Different isooctane content: 92 gasoline contains 92% isooctane, while 95 gasoline contains 95% isooctane.
9
5
Share

What are the reasons for unstable idle speed when the car is cold?

The reasons for unstable idle speed when the car is cold include: 1. The auxiliary air valve does not open or opens too little when the car is cold, causing the engine idle speed to be too low and resulting in unstable idle; 2. The idle control valve malfunctions when the engine is cold, opening too little, leading to too low idle speed and unstable idle; 3. The water temperature sensor fails, causing the engine computer not to increase the idle speed and enrich the air-fuel mixture according to the engine temperature when the car is cold, resulting in unstable idle; 4. Poor atomization or partial blockage of the fuel injector, which degrades the quality of the air-fuel mixture or provides too little fuel during cold idle conditions, causing the mixture to be too lean and leading to unstable idle.
10
2
Share

Is it suitable for the Ford Edge to use 92 or 95 octane gasoline?

It is suitable for the Ford Edge to use 92 octane gasoline. Gasoline is a volatile and flammable hydrocarbon mixture liquid derived from the distillation, cracking, or pyrolysis of petroleum. Taking the 2021 Ford Edge two-wheel-drive base model as an example, it is a mid-size 5-door 5-seat SUV with body dimensions of 4878mm in length, 1925mm in width, and 1734mm in height, with a wheelbase of 2850mm. The 2021 Ford Edge two-wheel-drive base model is equipped with a 2.0T turbocharged engine, delivering a maximum power of 180kW and a maximum torque of 390Nm, paired with an 8-speed automatic transmission.
13
5
Share

Where to Check the Oil Dipstick?

The oil dipstick is located next to the engine, sometimes on top or at the side of the engine. It has a pull ring for easy identification. For vehicles equipped with an oil dipstick, you need to pull it out, wipe it clean, and then observe two dots or holes at the lower end. Some dipsticks may have 'H' and 'L' markings near these holes, indicating the upper and lower limits of the oil level. After wiping the dipstick clean, reinsert it fully, then pull it out again to check that the oil mark is between the 'H' and 'L' limits. Having too much or too little oil can adversely affect the engine. Nowadays, many vehicles come with an oil level sensor, allowing you to check the oil level directly on the dashboard, ensuring it stays between the 'H' and 'L' marks.
16
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.