What to do if...

Only a black screen is visible.

  • Switch on the system.

There are no options available on the screen.

  • Replace remote control batteries.

Radio stations or TV channels are grayed out and cannot be selected.

  • Function is limited due to the selected priority.

Change priority.

The DVD does not play.

  • Playback does not begin automatically. Start DVD manually.

The volume of the rear vehicle speakers cannot be adjusted.

  • Sound in the rear is output via the headphones. Change priority if necessary and output sound via vehicle speakers.
    See also:

    General information
    1. Turn the controller: select letters or numbers. 2. Select additional letters or numbers if needed. 3. "OK": confirm the entry. ...

    Changing settings
    1. Select a field. 2. Turn the controller until the desired setting is displayed. 3. Press the controller. ...

    Malfunction
    Comfort Access may not function properly if it experiences interference from local radio waves, e.g., mobile phones. If this occurs, open or close the vehicle using the buttons on the remote co ...