See also:

Current office
The number of unread messages and active tasks as well as upcoming appointments are displayed. 1.  "Office" 2.  "Current office" 3.  Selecting the desired entry ...

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 ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...