Uh-oh! Why Is My Dashboard Tire Pressure Light On? — Openbay Overdrive

  • If you find that all of your tires are either too low or too high, don’t panic. This isn’t always a sign there’s something wrong with your tires. More often than not, it’s a direct result of the temperature where you are. On hot days, and as they warm up, tires tend to expand. Likewise, in cold weather, air pressure contracts. The air pressure in your tires changes by 1psi (pound per square inch) for every 10 degrees of temperature change-so if today it’s 20 degrees colder than it was yesterday, you can expect your tires to drop by 2psi. This is why you should check your tire pressure at least twice a year, regardless of what your TPMS light says. Once in the fall and once in the spring is a good rule of thumb.
  • If all of your tires are off, either too low or too high, this could be an indication the TPMS needs to reset itself. To do this, bring all of your tires to the recommended air pressure. The solid yellow light likely won’t go away right away, but it should in short time. If not, you might have to have your TPMS looked at.

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