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:
Securicode™ keyless entry system
The keypad, located near the driver’s window, is invisible until touched
and then it lights up so you can see and touch the appropriate buttons.
Note: If you enter your entry code too fast on the ...
Blind spot information system
Blind Spot Information System (BLIS®) with cross-traffic alert can detect
vehicles in blind spots during normal driving as well as traffic approaching
from the sides when the driver is reversing out ...
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 ...
