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What causes the SET light to illuminate?

1 Answers

Joshua

07/29/25 4:20pm

SET light may illuminate due to: abnormal tire pressure, unreset tire pressure monitoring, or damaged tire pressure sensor. Specific explanations and solutions are as follows: Abnormal tire pressure: Generally, an alarm is triggered when the tire pressure is below 1.8 bar or above 3.0 bar. In this case, tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset in time, the tire pressure monitoring system will still record the original data, causing the tire pressure monitoring indicator light to illuminate. Simply perform a tire pressure reset to resolve this. Damaged tire pressure sensor: The tire pressure sensor, which monitors tire pressure, is installed inside the tire and connected to the tire inflation port. If the sensor is damaged during driving, it will also cause the tire pressure warning light to illuminate. For sensor damage, the only solution is to replace it with a new component. Reset method for the SET light: Simply turn on the ignition switch, then press the reset button for three seconds to complete the tire pressure reset.

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