Did you know that you could buy tires that are dangerous to drive on? Sure, retreads you must be thinking. Nope. Brand new never used tires, except that they're not so new. They've never been used but they've been sitting on the shelf for anywhere from 6 to 15 or so years. They are dangerous!! There is a code on the inside of the tire to help determine how old the tire you're thinking of buying is. This video will help you decipher that code and help you make a smart and safe tire purchase. It could save your life.