See also:

CTA and Reverse Sensing System (RSS) interaction
CTA works along with the Reverse Sensing System (RSS) (if equipped). Become familiar with the warning tones of both systems. ...

Low speed automatic cancellation
ACC is not functional at vehicle speeds below 16 mph (26 km/h). Once the vehicle speed drops below 16 mph (26 km/h), an audible alarm will sound and the automatic braking will be released. ...

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 sectio ...