Environmental conditions

  • Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.
  • Always say commands in the language of the voice activation system.
  • When selecting a radio station, use the common pronunciation of the station name.
  • Keep the doors, windows, and glass sunroof* closed to prevent noise interference.
  • Avoid making other noise in the vehicle while speaking.
    See also:

    Snow chains
    Fine-link snow chains Only certain types of fine-link snow chains have been tested by the manufacturer of your vehicle, classified as road-safe and recommended. Consult your service center for m ...

    Headlamps
    ▷ Do not rub dry and do not use abrasive or caustic cleansers. ▷ Soak areas that have been soiled e.g. due to insects, with shampoo and wash off with water. ▷ Thaw ice with d ...

    Tire size
    Example: 255/55 R 19 107 V 255: nominal width in mm 55: aspect ratio in % R: radial tire code 19: rim diameter in inches 107: load rating, not for ZR tires V: speed rating, before the R on ZR ti ...