What are the reasons for a car tire pressure warning?

[StRebecca]

Car tire pressure warnings occur due to: 1. Failure to reset tire pressure data after tire repair or inflation; 2. Depleted battery in the tire pressure sensor; 3. Punctured tire; 4. Prolonged driving or failure to replenish tire pressure in a timely manner. When the tire pressure of a car is abnormal, the tire pressure warning light on the dashboard will illuminate, prompting the owner to inspect the tires. Air pressure is crucial for tires; both excessive and insufficient pressure can shorten their lifespan. Insufficient pressure increases tire body deformation, leading to cracks on the tire side and causing flexing movements that result in excessive heat, accelerating rubber aging, fatigue in the cord layers, and cord breakage. It also enlarges the tire's contact area, hastening wear on the tire shoulders. Excessive pressure overextends the tire cords, reducing the tire body's elasticity and increasing the load on the car while driving. This can cause internal cracks and blowouts upon impact, and also accelerates tread wear while diminishing puncture resistance.