Lincoln MKZ 2017 Owner's Manual page 485

Issue
When I connect my device,
I sometimes do not hear This is a device limitation.
any sound.
Issue
Failed connection.
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201602, Second Printing
SYNC 3
USB and Bluetooth Stereo issues
Possible cause
Disconnect the device from SYNC 3. Try switching your device off,
resetting it or removing the battery, then connect it back to SYNC 3.
To listen to Apple devices through USB, select AirPlay from the devices
Control Center, then select Dock Connector.
To listen to Apple devices through Bluetooth Stereo, select AirPlay
from the devices Control Center, then select SYNC.
Wi-Fi Issues
Possible cause
Password error.
Weak signal.
Multiple Access points within range with the
same SSID.
482
Possible solution
Possible solution
Verify password.
Check for a poor Wi-Fi signal.
Use a unique name for your SSID, don't use
the default name unless it contains a unique
identifier, such as part of the MAC address.