Low speed automatic cancellation

ACC is not functional at vehicle speeds below 18 mph (30 km/h). Once the vehicle speed drops below 18 mph (30 km/h), an audible alarm will sound, the head’s up display will flash and the automatic braking will be released.
See also:
Safety
Rare for a new model, the MKX has completed all the major crash tests from
our preferred source, the Insurance Institute for Highway Safety. It has fared
exceptionally well, with Good scores (the ...
Programming spare keys
You can program your own integrated keyhead transmitters or standard
SecuriLock coded keys to your vehicle. This procedure will program
both the engine immobilizer key code and the remote entry tr ...
Reaking-in your vehicle
Your vehicle does not need an extensive break-in. Try not to drive
continuously at the same speed for the first 1,000 miles (1,600 km) of
new vehicle operation. Vary your speed frequently in order ...
