Switching between letters and numbers
Depending on the menu, you can switch between entering letters and numbers:

See also:
Treble, bass, balance, and
fader
▷ "Treble": treble adjustment.
▷ "Bass": depth adjustment.
▷ "Balance": left/right volume distribution.
▷ "Fader": front/rear volume ...
Opening/closing the glass sunroof
automatically
Press the switch beyond the resistance point.
The following movements are also automatic:
▷ Pressing the switch with the sunroof open:
the sunroof is tilted fully.
▷ Pressing the switc ...
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated
brake temperatures. ...
