See also:

Uniform Tire Quality Grading System (UTQGS)
This information relates to the tire grading system developed by the U.S. National Highway Traffic Safety Administration for grading tires by tread wear, traction, and temperature performance. ...

Outside the United States
Government regulations in the United States require that automobiles meet specific emission regulations and safety standards. Therefore, vehicles built for use in the United States may differ fr ...

Scheduled Maintenance (USA, Canada, and Puerto Rico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following conditions apply. - Repeated short-distance driving - Driving in dusty conditions - Driving with extended use of b ...