See also:

Automatic update
About twice a year, Sirius performs an update of the channel names and positions. The update takes place automatically and may take several minutes. ...

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

Distance to back of head: electrical head restraints
The head restraint is automatically repositioned when the shoulder support is adjusted. ...