See also:

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...

Locking and unlocking
Pressing the buttons locks and unlocks the doors and the tailgate when the front doors are closed, but they are not secured against theft. The fuel filler flap remains unlocked. ...

TRACTION
When TRACTION is active, the vehicle has maximum traction on loose road surfaces. DTC Dynamic Traction Control, refer to page 105, is activated. Driving stability is limited during acceleration ...