See also:

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 ...

Tire Identification Number
Tires with DOT codes meet the guidelines of the U.S. Department of Transportation. DOT code: DOT xxxx xxx 3410 xxxx: manufacturer code for the tire brand xxx: tire size and tire design 3410: ti ...

The concept
This system issues a warning at speeds above approx. 40 mph/65 km/h if the vehicle is about to leave the lane on roads with lane markings. The steering wheel begins vibrating lightly. The system ...