See also:

Additional functions
Activating/deactivating the additional functions Activate the functions before pairing to be able to use them in the vehicle. Information on suitable mobile phones, that support this function ...

Vehicle information
Owner's Manual Computer Vehicle ...

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 ...