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 ...

Steering wheel heating
Steering wheel heating Switching on/off Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...

Low tire pressure message
The yellow warning lamp lights up. A Check Control message is displayed. There is a flat tire or a major loss in tire inflation pressure. The system was not reset after a wheel change ...