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.
See also:
Deactivating/activating autolock feature
Your vehicle comes with the autolock features activated; there are four
methods to enable/disable this feature:
• Through your authorized dealer,
• by using a power door unlock/lock sequence, or
...
Disengaging speed control
Press the brake pedal to disengage the speed control. Disengaging the
speed control will not erase the previous set speed. ...
SOS Post-Crash Alert System™
The system automatically flashes the turn signal lamps and sounds the
horn three times at four second intervals in the event of a serious impact
that deploys an airbag (front, side, side curtain [ ...
