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

See also:
Malfunction
A Check Control message is displayed.
The parking assistant failed. Have the system
checked. ...
Vehicle care
Car care products
BMW recommends using cleaning and care
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
...
Overview, instrument cluster with enhanced features
1. Messages, e.g. Check Control
Time
Date
2. Range
3. Computer
4. Navigation display
Service requirements
Miles/trip miles
5. Selection list, for instance radio
Current fuel consumpti ...
