The tires in your car are consumable and require periodic replacement. Balding tires or those with worn-out treads are dangerous and not deliver the same levels of traction and braking as newer rubber. However, tire age is more important regardless of the tread depth. Tires undergo thermo-oxidative degradation as they age, and it causes the rubber compound to crack or dry after repeated exposure to sun, wind, and rain. According to an NHTSA consumer advisory in 2008, the agency
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