See also:

Emission inspection readiness
What is an Onboard Diagnostic System (OBD II)? OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission controls. It ...

Uniform Tire Quality Grading
ALL PASSENGER VEHICLE TIRES MUST CONFORM TO FEDERAL SAFETY REQUIREMENTS IN ADDITION TO THESE GRADES Quality grades can be found, where applicable, on the tire sidewall between the tread shoulder ...

Summer and winter tires
The arrows shows the direction of rotation of the tire • When switching between summer and winter tires, mark the tires to indicate where they were mounted on the car, e.g., LF = left front, ...