Lumbar support
The curvature of the seat backrest can be adjusted in such a way that it supports the lumbar region of the spine. The lower back and the spine are supported for upright posture.

▷ Press the front/rear section of the switch.
The curvature is increased/ decreased.
▷ Press the upper/lower section of the switch.
The curvature is shifted up/ down.
See also:
Switching the warning function on/off
Press the button
▷ On: the LED lights up.
▷ Off: the LED goes out.
The state is stored for the remote control currently
in use. ...
Updating the navigation data
General information
Navigation data are stored in the vehicle and can
be updated.
Current navigation data and the authorization
code are available from your service center.
▷ Depending on ...
Controls
Almost all functions can be operated in the same
manner as they are in the front. Special features
of operating the system in the rear are described
here. ...
