DOT Quality Grades

Treadwear
Traction AA A B C
Temperature A B C

All passenger car tires must conform to Conform to Federal Safety Requirements
All passenger car tires must conform to Federal Safety Requirements in addition to these grades.◀

    See also:

    Winter tires
    Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...

    Interior rearview mirror
    Reducing the blinding effect Reducing the blinding effect From behind when driving at night: turn the knob. ...

    Before mounting
    Before mounting child restraint fixing systems, ensure that the rear seat backrests are locked. ...