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:
Automatic arming
The vehicle is armed immediately after switching the ignition to the off
position.
The theft indicator will flash every
two seconds to act as a theft
deterrent when the vehicle is
armed. ...
Map/dome lamp (if equipped)
The dome lamp lights when:
• any door is opened.
• the dome lamp button on the
instrument panel is activated.
• any of the remote entry controls
are pressed and the ignition is
off.
...
Steering
3.5L EcoBoost™ engine (if equipped): Your vehicle is equipped with
an Electric Power Steering (EPS) system. There is no fluid reservoir to
check or fill.
If your vehicle loses electrical power ...
