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:
Vehicle Overview
Lincoln has redesigned its full-size sport utility vehicle for 2003, moving
it away from its pickup-truck origins and turning it into a purpose-built SUV.
Chassis changes promise a different sort ...
Second-row non-adjustable head restraints
Your vehicle is equipped with second row outboard head restraints that
are non-adjustable.
WARNING: To minimize the risk of neck injury in the event of a
crash, the driver and passenger occupants ...
Signal indicator mirrors (if equipped)
When the turn signal is activated, the outer portion of the appropriate
mirror housing will blink. This provides an additional warning to other
drivers that your vehicle is about to turn. ...
