After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened.
See also:
Adjusting the volume
Turn the knob until the desired volume is selected.
The setting is stored for the remote control
currently in use.
The vehicle automatically adjusts the volume of
the microphone on the telephone ...
Contacts
...
Communication
All of the options available to you for mobile
communication with family, friends, business
partners, and service providers are described in
this chapter. ...