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 ...

Activating the voice activation system
1. Press the button on the steering wheel. 2. Wait for the signal. 3. Say the command. The command is displayed in the instrument cluster. This symbol in the instrument cluster indicate ...

Opening the main menu
Press the button. The main menu is displayed. All iDrive functions can be called up via the main menu. ...