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:
Brightness
Setting the brightness
To set the brightness of the Control Display:
1. "Settings"
2. "Control display"
3. "Brightness"
4. Turn the controller until the desired ...
Service and Warranty Information Booklet for US models and
Warranty and Service Guide Booklet for Canadian models
Please consult your Service and Warranty Information
Booklet for US models and Warranty and
Service Guide Booklet for Canadian models for
additional information on service requirements.
Mainten ...
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 ...
