Lincoln MKZ Owner's Manual page 479

Issue
SYNC does not recognize my device when I
turn on the car.
Bluetooth audio does not stream.
SYNC does not recognize music that is on my
device.
MKZ (CC9) Canada/United States of America, enUSA, Second Printing
MyLincoln Touch
USB and media issues
Possible cause(s)
This is a device limitation.
This is a phone-dependent feature.
The device is not connected.
Your music files may not contain the correct
artist, song title, album or genre information.
The file may be corrupted.
The song may have copyright protection,
which does not allow it to play.
476
Possible solution(s)
Make sure that the device does not have an
auto-install program or active security settings.
Make sure you are not leaving the device in
your vehicle during very hot or cold temperat-
ures.
Review the device compatibility chart on the
SYNC website to confirm your phone supports
the Bluetooth audio streaming function.
Make sure you correctly connect the device
to SYNC, and that you have pressed play on
your device.
You can also preform the touchscreen system
reset procedure.
Make sure that all song details are populated.
Some devices require you to change the USB
settings from mass storage to MTP class.