Audio systems

Audio systems  - Entertainment Systems - Lincoln MKZ Owners Manual - Lincoln MKZ

See also:

Reporting safety defects (U.S. only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTS ...

Troubleshooting
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Vehicles sold in Canada : Getting roadside assistance
Canadian customers who require roadside assistance, call 1–800–665–2006. ...