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:
New for 2012
Newly available Sync AppLink provides voice control of select smartphone
applications.
...
Extending the engine run time
To keep the engine running for another remote start duration, repeat
Steps 1 and 2 with the engine still running. If you programmed the
duration to last 10 minutes, the second 10 minutes will begi ...
Exterior & Styling
What you see on the MKX's exterior is what you get. The only real change is
from standard 18-inch alloy wheels to chrome versions, also 18 inches, when you
get the Special Package.
It's difficul ...
