See also:

Switching between letters and numbers
Depending on the menu, you can switch between entering letters and numbers: ...

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 ...

Ventilation in rear
Ventilation in rear 1 Use the thumbwheels to smoothly open and close the air vents 2 Use the lever to change the direction of the air flow ...