What does automobile safety mean to you? You probably think of seatbelts, airbags and defensive driving. But don’t overlook your tires.

They are the only things that actually touch the road. The right tires can improve safety. But poorly maintained tires are hazardous.

But what if brand new tires were a hazard? Well, some are. This Video of the Day presents a disturbing fact. ABC News discovered that tires, like food, have an expiration date. After a certain age tires become dangerous to use.

The investigators also found no regulation governing the sale of aged tires. This video will help you spot unsafe tires. Pay attention. It may save your life.