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 ...

General information
The system supports you in entering street names and house numbers by automatically completing the entry and providing entry comparisons Stored town/city and street names can be called up quick ...

Switching on automatically
With the engine running or the ignition switched on, shift the selector lever into position R. ...