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:
Adjusting the front power seat
WARNING: Never adjust the driver’s seat or seatback when the
vehicle is moving.
WARNING: Do not pile cargo higher than the seatbacks to
reduce the risk of injury in a collision or sudden stop.
W ...
Aiming the headlamps
The headlamps on your vehicle are properly aimed at the assembly plant.
If your vehicle has been in an accident, the alignment of your headlamps
should be checked by your authorized dealer. ...
Reporting safety defects (U.S. only)
If you believe that your vehicle has
a defect which could cause a crash
or could cause injury or death, you
should immediately inform the
National Highway Traffic Safety
Administration (NHTS ...
