Why does it show low tire pressure but there's no problem with the tires?

[PatrickRose]

Displaying low tire pressure but having no issue with the tires might indicate a sensor problem. Below is an introduction to tire-related concepts: The role of tires: Tires are the only components of a vehicle that make contact with the ground. The contact area of a car tire is roughly the size of a human palm. Within such a small area, tires must withstand enormous forces from various directions to ensure the vehicle provides good ride comfort and smooth driving. Tires are also crucial for the safety of drivers and passengers, playing a very important role in vehicle operation. Tire selection: For those prioritizing durability and versatility, the Pirelli STR is a suitable choice, being a semi-urban, semi-off-road SUV tire that performs well on various road conditions. If handling performance is a priority, the Bridgestone HP SPORT, a sporty urban SUV tire, is recommended. For those who value comfort, the Continental CC CUHP, a comfort-oriented SUV tire, is an excellent option.