Of all the things you worry about in any given day, how often do you think of your car's tires? Are they too worn to drive on? Are they properly inflated? According to the National Highway Traffic Safety Administration, 33,000 injuries and 600 deaths per year can be tied to under-inflated tires. A whopping 84% of tire-related insurance claims involve tires that are at least six years old. Tire maintenance is obviously something we neglect. Here is absolutely everything you need to know about taking care of your tires to ensure your safety on the road.