Indication in the info display
The information from the onboard computer is shown in the info display in the instrument cluster.
See also:
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated
brake temperatures. ...
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.◀ ...
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...