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:
Conditions
• Heavily loading a vehicle may reduce fuel economy at any speed.
• Carrying unnecessary weight may reduce fuel economy (approximately
1 mpg [0.4 km/L] is lost for every 400 lb [180 kg] of weight c ...
Dissimilar spare tire/wheel information
WARNING: Failure to follow these guidelines could result in an
increased risk of loss of vehicle control, injury or death.
If you have a dissimilar spare tire/wheel, then it is intended for
tempo ...
Message center
WARNING: Driving while distracted can result in loss of vehicle
control, accident and injury. Ford strongly recommends that
drivers use extreme caution when using any device or feature that may
...
