CHARLOTTE, N.C. — In a 9 investigation, Eyewitness News found some stores selling new tires that were actually up to six years old. Each tire has a code on it that will tell you when it was made. Some ...

While the colored lines found on new tires are optional, follow along to see what they mean, and why they are there.

Dozens of deaths have been attributed to "ticking time bomb" aged tires. May 8, 2008— -- The U.S. tire industry is refusing to give American motorists the same warning given to car owners in ...