See also:

Volume of spoken instructions
Turn the volume button while giving an instruction until the desired volume is set. The setting is stored for the remote control currently in use. ...

Audio playback
Selecting a track using the buttonPress the button for the appropriate direction as often as necessary until the desired track is reached. Selecting a track using iDriveAudio CDs 1.  " ...

Front ventilation
Front ventilation 1. Use the thumbwheels to smoothly open and close the air vents 2. Use the lever to change the direction of the air flow Avoiding injury Do not drop any foreign objects i ...