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

See also:
Activating HDC
Press the button; the LED above
the button
lights up. ...
Display
1 Lane departure warning*
2 Active Cruise Control*
3 Desired speed
4 Navigation system*
5 Speed
The collision warning*, Night Vision* pedestrian
warning, or Check Control messages are display ...
Current fuel consumption
Displays the current fuel
consumption.
You can check
whether you are currently driving
in an efficient and environmentally-
friendly manner.
Displaying the current fuel
consumption
1. &q ...
