Why is the set light on in the car?

[LiamLynn]

set light on indicates that the tire pressure of a certain wheel is too low. It is necessary to check the tire pressure and take corresponding measures. The set light belongs to the tire pressure monitoring system. The following is a detailed introduction about the tire pressure monitoring system: 1. Tire pressure monitoring is to automatically monitor the tire pressure in real time during the driving process of the car, and to alarm for tire leakage and low pressure to ensure driving safety. 2. Data shows that tire blowout-related accidents account for as high as 70% of malignant traffic accidents, and among all factors that can cause tire blowouts, insufficient tire pressure is the primary reason.