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:
Checking automatic transmission fluid
Refer to your scheduled maintenance information for scheduled
intervals for fluid checks and changes. Your transmission does not
consume fluid. However, the fluid level should be checked if the
...
Replacing interior bulbs
Check the operation of all bulbs frequently ...
Motorcraft part numbers
Refer to scheduled maintenance information for the appropriate
intervals for changing the spark plugs.
Replace the spark plugs with ones that meet Ford material and
design specifications for ...
