Maintenance

The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery.

Your service center will be glad to advise you on questions regarding the battery.

    See also:

    Operating Apps
    1. Connect the cell phone via the snap-in adapter or via the USB audio interface. 2. "ConnectedDrive" 3. Select the desired software application. ...

    At a glance
    ...

    Switching the microphone to mute
    When a call is active, the microphone can be muted. 1. "Telephone" 2. "Active calls" 3. "Microphone mute" A microphone that has been switched to mute is automati ...