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:
›Station ...‹ e. g. Classic Radio station.
▷ Keep the doors, windows, and glass sunroof closed to prevent noise interference.
▷ Avoid making other noise in the vehicle while speaking.
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 ...
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated
brake temperatures. ...
Active seat ventilation, front
The seat cushion and backrest surfaces are
cooled by means of integrated fans.
The ventilation rapidly cools the seat, e. g., if the
vehicle interior is overheated or for continuous
cooling at ...
