General settings
AT A GLANCE
▷ It is possible that only the phone book entries
of the mobile phone or the SIM card are
transmitted.
The snap-in adapter features a separate USB
port that is automatically connected when a
compatible mobile phone is inserted.
▷ It may not be possible to display phone book
entries with special characters.
▷ Audio devices with USB port, for instance
MP3 players.
▷ It may not be possible to transmit contacts
from social networks.
▷ USB storage devices.
Common file systems are supported. FAT32
and exFAT are the recommended formats.
▷ The number of phone book entries to be
stored is too high.
A connected USB storage device will be sup‐
plied with charge current via the USB interface if
the device supports this. Follow the maximum
charge current of the USB interface.
▷ Data volume of the contact too large, for in‐
stance due to stored information such as
notes.
Reduce the data volume of the contact.
The following uses are possible on USB interfa‐
ces with data transfer:
▷ A mobile phone can only be connected as
audio source or as telephone.
▷ Exporting and importing driver profiles, refer
to page 72.
Configure the mobile phone and connect it
with the telephone or additional phone func‐
tion.
▷ Playing music files via USB audio.
▷ Playing videos via USB video.
How can the phone connection quality be im‐
proved?
▷ Loading of software updates, refer to
▷ The strength of the Bluetooth signal on the
mobile phone can be adjusted, depending on
the mobile phone.
Follow the following when connecting:
▷ Do not use force when plugging the connec‐
tor into the USB interface.
▷ Insert the mobile phone into the snap-in
adapter or place it in the area of the center
console.
▷ Use a flexible adapter cable.
▷ Protect the USB storage device against me‐
chanical damage.
▷ Insert the mobile phone into the wireless
charging tray.
▷ Due to the large number of USB storage de‐
vices available on the market, it cannot be
guaranteed that every device is operable on
the vehicle.
▷ Adjust the volume of the microphone and
loudspeakers separately.
If all points in this list have been checked and the
required function is still not available, contact the
hotline, a dealer’s service center or another quali‐
fied service center or repair shop.
▷ Do not expose USB storage devices to ex‐
treme environmental conditions, such as very
high temperatures; refer to the owner's
manual of the device.
▷ Due to the many different compression tech‐
niques, proper playback of the media stored
on the USB storage device cannot be guar‐
anteed in all cases.
USB connection
General information
Mobile devices with a USB port are connected to
the USB interface.
▷ To ensure proper transmission of the stored
data, do not charge a USB storage device via
▷ Mobile phones.
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Online Edition for Part no. 01402631131 - X/19