Activation/deactivation

Press the button.
See also:
Trip computer
There are two types of computer.
"Onboard info": the values can be reset as
often as necessary.
"Trip computer": the values provide an overview
of the current trip.
...
Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle, ...
General information
Contacts, appointments, tasks, notes, text messages,
and e-mails from the mobile phone can
be displayed on the Control Display if the mobile
phone provides compatible support of these
function ...
