See also:

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning with braking function Warning ...

Vehicle information
Owner's Manual Computer Vehicle ...

General driving notes
Closing the trunk lid Drive with the trunk lid closed Only drive with the tailgate closed; otherwise, in the event of an accident or braking or evasive maneuvers, passengers or other road use ...