What does the exclamation mark on the car tachometer mean?

There should be something wrong with your car. For safety reasons, inspection and maintenance are recommended. As you said, there is an exclamation point in the middle of the triangle. This is a normal fault indicator lamp, which may mainly cause the lamp to light up under the following circumstances:

1, dry power shift clutch overheating;

2, oil cut-off system intervention or failure;

3. Parking sensor failure;

4. External lamp failure;

5, engine oil pressure sensor failure;

6, drive acceleration slip adjustment warning or failure.