What does a triangle exclamation mark on the dashboard mean?

2 Answers
VanCassandra
07/24/25 2:03am
A triangle exclamation mark on the dashboard is a general fault indicator light. Possible reasons for it lighting up include: 1. Overheating of the dry dual-clutch transmission clutch; 2. Intervention or malfunction of the fuel cut-off system; 3. Parking sensor fault; 4. External light fault; 5. Engine oil pressure sensor fault; 6. Traction control system warning or fault. The solution is to immediately go to a repair shop for maintenance. Other fault lights on the dashboard include: 1. A circle with an exclamation mark inside brackets is the brake system warning light—it's normal for it to light up when the handbrake is engaged; 2. A horizontal line under brackets with an exclamation mark in the middle is the tire pressure monitoring warning light, indicating insufficient tire pressure.
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VanSebastian
08/10/25 9:42pm
I also frequently pay attention to the warning lights on the vehicle dashboard. That triangle-shaped exclamation mark light is a universal warning signal, indicating that the vehicle may have some kind of fault or issue that requires inspection. Common causes include low tire pressure triggering the system alarm, and sometimes problems with the brake system sensor or lighting module can also activate it. If the light comes on, the first thing to do is to safely pull over and check the owner's manual, as the warning system configurations vary between different car models—don't risk continuing to drive. The last time I encountered this situation on the highway, I immediately pulled over to check the tire pressure and found that the front right tire was indeed flat, so I called for roadside assistance. Timely action can prevent safety hazards, and if the light keeps flashing, it might indicate a serious problem.
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