Lincoln 2013 MKZ Owner's Manual page 237

Towing
Exit Neutral Tow mode, make sure the
ignition is on (engine can be on or off),
press the brake pedal and select P on
the push-button transmission.
If the process is completed
successfully, Neutral Tow
disengaged appears in the
information display and both the
instrument cluster and push-button
transmission display P.
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