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:
Audio system–Navigation system based (if equipped)
If your vehicle is equipped with the navigation system, it will have an
integrated navigation/audio system. See the Navigation system
supplement for operating instructions on using this audio syst ...
On-board diagnostics (OBD-II)
Your vehicle is equipped with a computer that monitors the engine’s
emission control system. This system is commonly known as the
on-board diagnostics system (OBD-II). The OBD-II system protects t ...
Exterior
It certainly wasn't the MKX's controversial looks that held me back. I like
the large grille Lincoln has added to its vehicles; on larger models like the
MKX, it almost looks natural.
One of my ...
