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

See also:
Display
▷ Lines, arrow 1: the system is activated.
▷ Arrows, arrow 2: at least one lane marking
was detected and warnings can be issued. ...
Before mounting
Before mounting child restraint fixing systems,
ensure that the rear seat backrests are locked. ...
Activating/deactivating Bluetooth
Bluetooth is not permitted everywhere. Comply
with all safety guidelines and regulations.
1. "Telephone".
2. "Options" Open.
3. "Bluetooth®"
...
