Most automobile owners check the gas and oil in their cars regularly. However,they may forget to check something else that is just as important: the tires. About 28% of automobiles in the United States have tires that are in poor condition. Some are too worn and others have too much or too little air. It is a good idea to check the amount of air in your tires every week. You should also give a quick look at your tires every time you get into your car. This way, you may avoid a flat tire or a blow-out