See also:

Tire inflation pressures X5 xDrive50i with three rows of seats
  ...

Communications
This chapter describes how to use the telephone, BMW Assist and BMW TeleServices. ...

Switching the microphone to mute
When a call is active, the microphone can be muted. 1. "Telephone" 2. "Active calls" 3. "Microphone mute" A microphone that has been switched to mute is automatic ...