Supplementary text messages
Addition information, such as on the cause of a fault or the required action, can be called up via Check Control.
The supplementary text of urgent messages is displayed on the Control Display automatically.
Symbols
Depending on the Check Control message, the following functions can be selected.
▷ 
"Owner's Manual"
Display additional information about the
Check Control message in the integrated
owner's manual.
▷ 
"Service
request"
Contact the service partner.
▷ 
"Roadside
Assistance"
Contact Roadside Assistance.
See also:
Displaying the button assignment
Use a finger to touch the buttons. Do not wear
gloves or use objects.
The key assignment is displayed at the top edge
of the screen.
▷ To display short information: touch the button.
...
Units of measure
Setting the units of measure
To set the units for fuel consumption, route/distance
and temperature:
1. "Settings"
2. "Language/Units"
3. Select the desired menu item.
4. S ...
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 automa ...