See also:

DOT Quality Grades
Treadwear Traction AA A B C Temperature A B C Conform to Federal Safety Requirements All passenger car tires must conform to Federal Safety Requirements in addition to these grades.◀ ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

Opening the hood
Working in the engine compartment Never attempt to perform any service or repair operations on your vehicle without the necessary professional technical training. If you are unfamiliar with th ...