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

See also:
Adding engine oil
Filler neck
BMW X5
BMW X6
Add a maximum quantity of 1 US quart/1 liter of
oil only after the corresponding message appears
on the Control Display.
Add oil promptly
Add oil within the ne ...
Tire damage
General information
Inspect your tires often for damage, foreign objects
lodged in the tread, and tread wear.
Notes
Indications of tire damage or other vehicle defects:
Unusual vibrations dur ...
Calling up information on the info
display
Press the computer button on the turn signal
lever.
Information is displayed on the info display of the
instrument cluster. ...
