What does the triangle exclamation mark on the dashboard mean?

2 Answers
Tamara
07/28/25 7:46pm
Dashboard showing a triangle exclamation mark refers to the Traction Control System (TCS) indicator light. The reasons for this warning symbol appearing include: 1. Overheating of dry dual-clutch transmission; 2. Fuel cutoff system intervention or malfunction; 3. Parking sensor failure; 4. External lighting malfunction; 5. Engine oil pressure sensor failure; 6. Traction control system warning or fault; 7. Brake system malfunction; 8. Low brake fluid level; 9. Low tire pressure. This warning light may illuminate in two situations: 1. When manual deactivation of the vehicle's traction control system is required; 2. When there's a TCS malfunction requiring diagnostic trouble code reading.
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Renee
08/12/25 12:39am
I'm just an ordinary driver with over a decade of experience behind the wheel. When that triangle with an exclamation mark appears on the dashboard, it usually means the car is alerting you to a fault. The most common scenarios are the engine warning light coming on or tire pressure being too low. I remember once on a long trip, I saw this light and immediately pulled over to check the manual, only to find out it was a tire pressure sensor error. Basically, the computer has detected an abnormality – there might be a system issue that needs urgent attention. Don't ignore it. If you overlook warnings like low oil pressure, you could end up with a seized engine; brake system alerts are even more dangerous and compromise safety. My advice is to pull over as soon as you see it, check the manual, or find a repair shop to scan the trouble codes – better to address small issues before they turn into major repairs. Regular pre-drive vehicle checks can save you a lot of trouble. Bottom line: safety first, never push your luck.
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