One in four passenger vehicles has at least one underinflated tire, according to the National Highway Traffic Safety Administration (NHTSA). Next time you’re in a parking lot look around at the number of cars; one quarter of them are a possible safety hazard. Underinflated tires can directly lead to tire blowout incidents, and they can increase the severity of other crashes. NHTSA estimates that 78,000 collisions occur every year due to unsafe tires resulting in the deaths of 738 people in 2017.

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