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:
Efficient six-speed transmissions
The 2013 Lincoln MKS is equipped with two versions of the six-speed
SelectShift Automatic™ transmission, both with steering-wheel-mounted paddle
shifters. The 3.7-liter Ti-VCT V6 uses the 6F-50. The ...
Exceptions
There are several exceptions to the Normal Schedule. They are listed
below:
Normal vehicle axle maintenance: Rear axles and power take-off
(PTO) units with synthetic fluid and light-duty trucks e ...
All-wheel drive
All-wheel drive is standard with the twin-turbo 3.5-liter V6. In good weather
over smooth roads at modest speeds - when AWD is not needed - the system
intelligently routes power only to the front wh ...
