Day and night brightness

The BLIS and/or CTA alert will automatically dim when the headlamp switch is in PARK, ON, or AUTO ON and night time darkness has been detected by the sun sensor.
See also:
Camera- and Radar-Based Driving Aids
The new Lincoln MKZ offers the Lane Keeping System, a suite of advanced
driving aids that helps drivers avoid drifting from their lane due to
distraction or fatigue. Consisting of Lane Keeping Aid ...
Special operating condition log
...
Trailer tow false alerts
When towing a trailer, the sensors may detect the trailer thus causing a
false alert. It may be desirable to turn the BLIS off if the false alerts
become annoying. ...
