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. ...

Compressed video files
Playback 1. Select the directory if necessary. Compressed video files 2. Press the button. 3. Select a track. Select a track 4. Press the button 5. Select "Play". 6. Press ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...