AT A GLANCE
General settings
Why can phone functions not be used via
the Central Information Display (CID)?
center or another qualified service center or
repair shop.
–
The mobile phone may not be config-
ured correctly, for example, as a Blue-
tooth audio device.
USB connection
General information
The following mobile devices can be con-
nected to the USB port:
Connect the mobile phone with the tele-
phone or additional telephone function.
Why are no or not all telephone book en-
tries displayed or why are they incomplete?
–
–
Mobile phones.
–
Transmission of the telephone book en-
tries is not yet complete.
Audio devices with USB port, for in-
stance MP3 players.
–
It is possible that only the telephone
book entries of the mobile phone or the
SIM card are transmitted.
–
USB storage devices.
Common file systems are supported.
FAT32 and exFAT are the recommended
formats.
–
It may not be possible to display tele-
phone book entries with special charac-
ters.
A connected USB device will be supplied
with charge current via the USB port if the
device supports this. Follow the maximum
charge current of the USB port.
–
–
–
It may not be possible to transmit con-
tacts from social networks.
The number of phone book entries to be
stored is too high.
The following uses are possible on USB
ports with data transfer:
Data volume of the contact too large, for
instance due to stored information such
as memos.
–
Exporting and importing driver profiles,
refer to page 69.
–
–
–
Playing music files via USB audio.
Playing videos via USB video.
Reduce the data volume of the contact.
–
A mobile phone is only connected as an
audio source.
Loading of software updates, refer to
page 57.
Reconfigure the mobile phone and con-
nect it with the telephone or additional
telephone function.
Follow the following when connecting:
–
Do not use force when plugging the con-
nector into the USB port.
How can the telephone connection quality
be improved?
–
–
Use a flexible adapter cable.
Protect the USB device against mechani-
cal damage.
–
Depending on mobile phone, it may be
possible to adjust the Bluetooth signal
strength on your mobile phone.
–
Due to the large number of USB devices
available on the market, it cannot be
guaranteed that every device is operable
on the vehicle.
–
–
Insert the mobile phone into the wire-
less charging tray.
Adjust the volume of the microphone
and loudspeakers separately.
–
Do not expose USB devices to extreme
environmental conditions, such as very
high temperatures; refer to the operat-
ing instructions of the device.
If all points listed have been checked and
the required function is still not available:
contact the hotline, an authorized service
54
Online Edition for Part no. 01405A7DAD4 - II/23
English 
