See also:

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Replace remote control batteries. Radio stations or TV channels are grayed out and c ...

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

Low tire pressure message
The yellow warning lamp lights up. A Check Control message is displayed. ▷ There is a flat tire or a major loss in tire inflation pressure. ▷ The system was not reset after a whee ...