Why does the Audi Q3 tire pressure warning light come on when the tire pressure is normal?

[DiTucker]

Audi Q3 tire pressure warning light comes on when the tire pressure is normal due to the following reasons: Tire pressure monitoring system not reset: After inflating the tires, if the tire pressure reset is not performed in time, the tire pressure monitoring system will still record the previous data, causing the tire pressure warning light to illuminate. In this case, simply perform a tire pressure reset. Damaged tire pressure sensor: The tire pressure sensor, which is used to monitor tire pressure, is directly installed inside the tire and connected to the tire inflation valve. If the sensor is damaged during driving, it can also trigger the tire pressure warning light. For sensor damage issues, the only solution is to replace it with a new one. Method to reset the tire pressure monitoring system: First, turn on the ignition switch, then press and hold the tire pressure monitoring reset button until you hear a "beep" sound before releasing it. The tire pressure monitoring system will then store the current normal tire pressure data, automatically clear the previous data, and finally, the warning light on the dashboard will turn off, indicating that the tire pressure reset is complete.