In order to interpret car ratings, it’s important to know that there is a number for the temperature rating, a traction rating and a number for the date the tire was made. Determine how long a tire will last and how much speed it will take withhelp from an auto mechanic in this free video on car repairs and maintenance. Expert: Earl Kester Sr. Bio: Earl Kester Sr. has more than 50 years of experience as an auto mechanic. Filmmaker: Carlye Jones