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:
Active park assist (APA) (if equipped)
Active park assist (APA) will detect an available parallel parking space
and automatically steer the vehicle into the space (hands-free) while you
control the accelerator, gearshift and brakes. Th ...
Universal garage door opener (if equipped)
Your vehicle may be equipped with a universal garage door opener which
can be used to replace the common hand-held transmitter.
WARNING: Make sure that the garage door and security device
are fre ...
Battery
Your vehicle is equipped with a Motorcraft maintenance-free battery
which normally does not require additional water during its life of
service.
Note: If your battery has a
cover/shield, make ...
