See also:

The concept
The Check Control monitors vehicle functions and alerts you to any malfunctions in the systems monitored. A Check Control message consists of indicator and warning lamps in the instrument clust ...

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.◀ ...

Messages
Information about messages. ...