See also:

In the glove compartment
Push the handle up, arrow 1, and open the lid, arrow 2. ...

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. ...

Audio playback
Selecting the track using the button Press the button repeatedly until the desired track is played. Selecting the track using the iDrive Audio CDs Select the desired track to begin playback. ...