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:
Recommended shift speeds
Upshift according to the following chart:
...
Safety belt locking modes
All safety restraints in the vehicle are combination lap and shoulder
belts. The driver safety belt has the first locking mode and the front
outboard passenger and rear seat safety belts have both ...
Snow tires and chains
WARNING: Snow tires must be the same size, load index, speed
rating as those originally provided by Ford. Use of any tire or
wheel not recommended by Ford can affect the safety and
performance o ...
