What Causes Low Tire Pressure Warning in a New Car?

[Yvonne]

New cars may display low tire pressure due to the following reasons: 1. Air leakage from tires or valve stems; 2. Wheel rim deformation reducing tire sealing performance; 3. Long-term overloading causing uneven tire stress distribution; 4. Thermal expansion and contraction leading to insufficient tire pressure. The consequences of low tire pressure include: 1. Increased friction coefficient with road surfaces; 2. Heavy steering wheel and tendency to veer, compromising driving safety; 3. Excessive movement of tire components causing abnormal heat generation; 4. Degradation of cord and rubber functions, potentially leading to delamination or cord breakage, with excessive friction against the rim damaging the bead area; 5. Increased tire body deformation, sidewall cracking, and flexing movements that accelerate rubber aging, ply fatigue, and shoulder wear.