Lincoln 2014 MKZ Owner's Manual page 208

Driving Aids
Note: Lincoln Drive Control has diagnostic
checks that continuously monitor the
system to ensure proper operation.
Certain types of system errors will gray
out the mode selections within the
information display, preventing you from
changing states when the gear position
is changed. Other types of errors will
produce a temporary message that states
Drive Control Malfunction. If either
condition persists for multiple key cycles,
have your vehicle checked by an
authorized dealer.
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MKZ (CC9) , enUSA