Lincoln 2016 MKZ HYBRID Owner's Manual page 179

Can I put E15 or E85 in my vehicle, and how will it affect my fuel
How long will my high voltage battery last? Does it need maintenance?
Can you charge the battery with a plug into an A/C outlet?
Can I tow the hybrid behind my motor home with all four wheels down?
MKZ Hybrid (CC9) Hybrid Electric Vehicle (HEV), Canada/United States of America, enUSA, First Printing
Unique Driving Characteristics
Question
economy?
Your hybrid vehicle can use E15 (15% ethanol, 85% gasoline) fuel, but
you may notice slightly reduced fuel economy because ethanol
contains less energy per gallon than gasoline. Your hybrid vehicle is
not designed to use E85 (85% ethanol).
The high voltage battery system is designed to last the life of the
vehicle and requires no maintenance.
There are no provisions for charging the high voltage battery from a
power supply external to the vehicle.
Yes. Your hybrid vehicle can be flat towed without modification. See
Towing the Vehicle on Four Wheels (page 250).
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Answer