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 ...

Changing, maintaining, and storing the speed
The rocker switch can be pressed while the system is interrupted to maintain and store the current speed. DSC Dynamic Stability Control is switched on, if necessary. Adapting the desired speed ...

Adjusting the height
Adjusting the height ▷ To raise: pull. ▷ To lower: press the button, arrow 1, and push the head restraint down. ...