Why is the tire pressure warning light still on after inflating the tires?

1 Answers
Joann
07/30/25 2:05am
The reasons why the tire pressure warning light remains illuminated after inflation include abnormal tire pressure, failure to reset the tire pressure monitoring system, or damage to the tire pressure sensor. Below are detailed explanations: Abnormal tire pressure: The system typically triggers an alert when pressure falls below 1.8 bar or exceeds 3.0 bar. In such cases, tire inspection and pressure adjustment are required. Failure to reset tire pressure monitoring: If the system isn't reset after tire inflation, it continues to display previously recorded data, causing the warning light to stay on. Simply performing a tire pressure reset will resolve this issue. Damaged tire pressure sensor: The tire pressure sensor, installed inside the tire and connected to the inflation valve, monitors tire pressure. If the sensor is damaged during driving (e.g., by impact), it will trigger the tire pressure warning light. Sensor damage necessitates replacement with new components. Method to turn off tire pressure warning light: Turn on the ignition, then press and hold the SET button of the tire pressure control system (located as a black button on the front panel near the gear lever) until the dashboard indicator light illuminates.
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