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

See also:
Switching the warning function on/off
Press the button
On: the LED lights up.
Off: the LED goes out.
The state is stored for the remote control currently
in use. ...
2010 BMW X5 M Review
On paper, the BMW X5 M seems about as incongruous as a car can be. It's a
five-seat midsize crossover powered by a 555-horsepower, twin-turbocharged V-8
engine that can accelerate from zero to 60 ...
Automatic deactivation of the front
passenger airbags
The system determines whether the front passenger
seat is occupied by measuring the resistance
of the human body.
The front, knee, and side airbag on the front
passenger side are activated or d ...
