See also:

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 ...

Telephone
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Starting playback
Push the CD/DVD into the drive with the labeled side facing upward. The CD/DVD is automatically pulled in. ▷ Playback begins automatically after a few seconds. ▷ Otherwise: select ...