See also:

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Cargo
The trunk measures 14 cubic feet, which makes it similar in size to the Audi A8's (14.6) but smaller than the Jaguar XJ's (16.4), LS 460's (18) and S-Class' (16.3). It's quite deep and rectangular ...

Enabling operation in the rear
Only possible via the iDrive in the front. 1. "Settings" 2. "Allow rear control" 3. Select the desired priority. ...