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 ...

Useful short commands
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Adjusting
Adjusting 1. Fold the lever down. 2. Move the steering wheel to the preferred height and angle to suit your seating position. 3. Fold the lever back. ...