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:
USB audio interface/mobile phone
audio interface
At a glance
It is possible to connect external audio devices.
They can be operated via iDrive. The sound is
output on the vehicle loudspeakers.
Connectors for external devices
▷ Connection ...
Malfunction
Comfort Access may not function properly if it
experiences interference from external sources
such as mobile phones, metal objects, overhead
power lines, transmission towers, etc.
If this occur ...
Setting the language of the
DVD system
1. Select a CD/DVD track.
2. Press the button.
3. Select "Tone".
4. Press the button.
5. Switch to the top window.
6. Select "Language".
7. Press the button.
8. Select th ...