See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Power failure
After a temporary power loss, some equipment needs to be reinitialized. Individual settings need to be reprogrammed: ▷ Seat, mirror, and steering wheel memory: store the positions again. ...

Treble, bass, balance, and fader
▷ "Treble": treble adjustment. ▷ "Bass": depth adjustment. ▷ "Balance": left/right volume distribution. ▷ "Fader": front/rear volume ...