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.◀ ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Tires
Due to technical factors associated with their manufacture, tires do not achieve their full traction potential until after an initial breaking-in period. Drive conservatively for the first 200 mi ...