Lincoln 2017 MKZ HYBRID Owner's Manual page 66

For vehicles with keyless start: No MyKey restrictions are available
when starting the vehicle.
I cannot clear the MyKeys.
I lost the only admin key.
I lost a key.
MyKey distances do not accumulate.
MKZ Hybrid (CC9) Hybrid Electric Vehicle (HEV), Canada/United States of America, enUSA, First Printing
Condition
MyKey
· There are no MyKeys programmed to the vehicle. See Creating a
MyKey (page 60).
· An admin transmitter is present when you started your vehicle.
· There are no MyKeys programmed to the vehicle. See Creating a
MyKey (page 60).
· The key or transmitter used to start the vehicle does not have admin
privileges.
· No MyKeys are created. See Creating a MyKey (page 60).
· Purchase a new key or tranmitter from your authorized dealer.
· Program a spare key or transmitter. You may need to see your
authorized dealer. See Passive Anti-Theft System (page 74).
· The MyKey user is not using the MyKey.
· An admin key holder cleared the MyKeys and created new MyKeys.
· The key system has been reset.
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Potential causes