Why is the tire pressure warning light red?

2 Answers
MaddoxDella
07/29/25 8:07am
Tire puncture; excessive tire pressure; prolonged driving with low tire pressure; tire pressure decreases due to prolonged lack of inflation. Below is an introduction to tire pressure warnings: 1. Effects of low tire pressure: increased fuel consumption; steering wheel becomes heavier; prone to deviation. Insufficient tire pressure increases movement in various parts of the tire, excessive compression can cause abnormal tire heating, leading to detachment or ply breakage, excessive friction with the rim; damage and abnormal wear at the tire bead area; friction with the ground multiplies, causing a sharp rise in tire temperature, making the tire soft and drastically reducing its strength. High-speed driving can also lead to tire blowouts. 2. Solution: Get out and check the tire pressure. If the pressure loss is not obvious, reset the tire pressure system first. If the warning light comes on again after continuing to drive, it indicates a genuine tire pressure issue, requiring timely inspection and tire repair.
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CalvinFitz
08/12/25 11:19am
Last month, I encountered the tire pressure warning light turning red during a road trip and immediately pulled over to check. The most common causes are slow leaks from nails puncturing the tire or tire pressure dropping more than 20% below the recommended level. In my case, a sudden temperature drop caused the pressure to decrease, and I resolved it by using the onboard air pump to refill to 2.5 bar. Long-term parking can also lead to natural air loss, so don’t forget to check the spare tire as well. If the warning persists after refilling, the sensor might be clogged with mud or the battery could be dead, requiring professional inspection at a repair shop. Never ignore a sudden warning light on the highway—stop promptly to check for bulges or deformities on the tire sidewall. Safety first.
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