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

Using this Owner's Manual
The fastest way to find information on a particular topic is by using the index. An initial overview of the vehicle is provided in the first chapter. Updates made after the editorial deadline ...