Press the TEL > SETUP buttons on the MMI control console and select Telephone settings on the MMI.
Ring tone volume
You can adjust the volume for the telephone call and the ring tone.
Telephone ID number
The telephone ID number of the GSM module installed in the MMI is displayed.
Shutdown delay
- Activated (ticked ) - the telephone system remains active for a period (factory default setting) after you switch off the MMI. You can still make calls during this period.
- Deactivated (not ticked) - the telephone system shuts down when you switch off the MMI. In this case, you can use a twin card shortly after leaving the vehicle Link.