See also:

Maintenance schedule log
...

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. ...

Disengaging speed control
Press the brake pedal to disengage the speed control. Disengaging the speed control will not erase the previous set speed. ...