How to reset the tire pressure warning light on the 2021 Mazda 3?

1 Answers
MacLeonardo
07/29/25 11:24pm
To eliminate the tire pressure warning light on the 2021 Mazda 3, simply perform a tire pressure reset. The method for tire pressure reset is as follows: First, turn on the ignition, then press and hold the tire pressure monitoring reset button. After hearing a "beep" sound, release the button. 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 the completion of the tire pressure reset. Tire pressure monitoring automatically checks the tire pressure in real-time while driving and alerts the driver to leaks or low pressure to ensure driving safety. There are generally three reasons for abnormal tire pressure warnings: Abnormal tire pressure: The system typically alerts when pressure is below 1.8 bar or above 3.0 bar. In this case, inspect the tires and adjust the pressure accordingly. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure reset is not performed promptly, the system will continue to display the old data, causing the warning light to stay on. Simply perform a tire pressure reset to resolve this. Damaged tire pressure sensor: The tire pressure sensor, installed inside the tire and connected to the inflation valve, monitors the tire pressure. If the sensor is damaged due to impact while driving, it can trigger the tire pressure warning light. In such cases, the only solution is to replace the sensor with a new one.
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