ACC not available

Several conditions exist which can cause ACC to deactivate or prevent ACC from activating when requested. These conditions include:
• The sensor is blocked, refer to Blocked sensor in this section.
• Brake temperature is high, refer to Hilly condition usage in this
section.
• A failure has occurred in the ACC system or related system.
See also:
Camera- and Radar-Based Driving Aids
The new Lincoln MKZ offers the Lane Keeping System, a suite of advanced
driving aids that helps drivers avoid drifting from their lane due to
distraction or fatigue. Consisting of Lane Keeping Aid ...
Seat-mounted side airbag system
WARNING: Do not place objects or mount equipment on or
near the airbag cover on the side of the seatbacks of the front
seats or in front seat areas that may come into contact with a
deploying ...
Trailer towing
WARNING: Never tow a trailer with this vehicle. Your vehicle is
not equipped to tow. No towing packages are available through
an authorized dealer. ...
