BMW M6 Convertible Owner's Manual page 24

At a glance
›Station ...‹ e. g. Classic Radio station
▷ Keep the doors, windows, and convertible
top closed to prevent noise interference.
▷ Avoid making other noise in the vehicle
while speaking.
24
Voice activation system
Online Edition for Part no. 01 40 2 903 192 - 07 12 490