See also:

Turning ACC off completely
From standby mode, press once. From active mode, press twice. The set speed and time interval are then cleared from the system's memory and cannot be resumed by pressing . ...

Incoming calls
Press OK/MENU (or the thumb wheel on the steering wheel keypad) to answer a call, even if the infotainment system is currently in another mode (e.g., RADIO or MEDIA). Press EXIT to reject a call. ...

Average fuel consumption
The average fuel consumption since the last reset. Reset using RESET. ...