June 29, 2025

What Does the TPMS Light Really Mean?

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closeup of a car tire While many drivers pay attention to the check engine light or the oil pressure warning, the TPMS (Tire Pressure Monitoring System) indicator often gets overlooked. This small orange symbol with an exclamation mark might seem unimportant, especially if your tires don’t look flat. However, ignoring this warning can lead to serious consequences for both your safety and your vehicle’s performance.

What Does the TPMS Light Actually Mean?

The TPMS light is designed to alert you when one or more of your tires are underinflated. But did you know that the behavior of the light itself can give you clues about what's really going on? Here are three common situations:

  1. The light stays on: If the light remains constantly illuminated while the engine is running, it means at least one tire is significantly underinflated. This is a clear signal to check your tire pressure as soon as possible.
  2. The light flashes: A flashing TPMS light usually indicates a system issue. It could be a faulty sensor or a problem with the car’s computer. In such cases, it's best to have a professional technician diagnose the problem.
  3. The light turns on and off intermittently: This might happen due to temperature changes. Tire pressure naturally fluctuates with the weather, and extreme cold or heat can cause temporary warnings. Still, it's worth checking your tires to be safe.

If you notice the TPMS light, you don’t always need to rush to a mechanic. Many gas stations offer free air pumps and pressure gauges. You can easily check and inflate your tires to the recommended levels found in your owner’s manual.

Why Low Tire Pressure Matters

Underinflated tires may not seem like a big deal, but they can seriously affect your driving experience and safety. Here’s how:

  • Increased wear on the tire treads, leading to shorter tire life
  • Reduced handling and control, especially during sudden maneuvers
  • Lower load capacity, which can be dangerous when carrying heavy cargo
  • Higher fuel consumption due to increased rolling resistance
  • Worse water displacement, increasing the risk of hydroplaning in wet conditions
  • Potential tire blowouts, which can lead to accidents

It’s important to address low tire pressure promptly. Not only does it improve your driving experience, but it also helps save money in the long run by extending tire life and improving fuel efficiency.

When it comes to car maintenance, it's always better to be proactive. At DaSilva’s Auto Body Shop, we understand the importance of regular checks and quality service. Whether you need a tire inspection, alignment, or body repairs, our team is here to help. Don’t wait until a small issue becomes a major problem—contact us today and keep your vehicle running smoothly and safely.

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