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

See also:
2013 BMW 6 Series Gran Coupe: First Look
Competes with: Mercedes-Benz CLS-Class, Audi A7
Looks like: A more animated 5 Series ... with a 7 Series price tag
Drivetrain: 315-hp, twin-turbocharged 3.0-liter inline-six-cylinder; 445-hp,
tw ...
Office
...
Status display
The current status of the Tire Pressure Monitor
TPM can be displayed on the Control Display,
e.g., whether or not the TPM is active.
1. "Vehicle Info"
2. "Vehicle status"
3. ...
