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

See also:
BMW X5 xDrive50i: BMW's Twin-Turbocharged V-8.
The new BMW X5 xDrive50i takes its place as the flagship of the X5 family,
yielding 400 horsepower at 5,500 rpm and 450 lb-ft of torque at 1,750 - 4,500
rpm from its twin-turbocharged 4.4 liter V- ...
Sorting the task list
1. Select the header in the task list.
Sorting the task list
2. Select the sorting criterion:
▷ "Priority (!)"
▷ "Subject"
▷ "Due date" ...
Switching on/off manually
Switching on/off manually
Press the button.
▷ On: the LED lights up.
▷ Off: the LED goes out. ...
