See also:

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors. ...

Adjusting
The parking lamps or low beams must be switched on to adjust the brightness. Adjust the brightness using the thumbwheel. ...

Buttons at a glance
1 System on/off, interrupt 2 Resume speed 3 Store speed* 4 Reduce distance 5 Store, maintain/change speed 6 Increase distance ...