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:
Operating tips
• To reduce fog build-up on the windshield during humid weather,
select (defrost).
• To reduce humidity build-up inside the vehicle: do not drive with the
system off or with recirculated air en ...
Audio system–Navigation system based (if equipped)
If your vehicle is equipped with the navigation system, it will have an
integrated navigation/audio system. See the Navigation system
supplement for operating instructions on using this audio syst ...
Engine data
...
