Poorly maintained and improperly used tires are dangerous.
Overloading your tires can cause overheating as a result
of
too much
friction. You could have an air-out and a serious accident. See
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Your
Vehicle
earlier in this section.
Underinflated tires pose the same danger as overloaded tires. The resulting
accident could cause serious injury. Check all tires frequently to maintain the
recommended pressure. Tire pressure should be checked when your tires are
cold.
Overinflated tires are more likely to be cut, punctured, or broken by a sudden
impact, such as when you hit a pothole. Keep tires at the recommended
pressure.
Worn,
old tires can cause accidents. If your tread is badly worn, or if your
tires have been damaged, replace them.