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:
Troubleshooting
Why isn’t APA searching for a parking space?
• You may have deactivated the AdvanceTrac system.
• One of the doors (except the driver’s door) may not be securely
closed.
Why doesn’t APA offer a ...
Cleaner air
Ford endorses the use of reformulated “cleaner-burning” gasolines to
improve air quality, per the recommendations in the Choosing the right
fuel section. ...
