BLIS False Alerts

Due to the nature of radar technology, there may be certain instances when the BLIS will alert with no object present in the blind zone. This is known as a false alert. Some level of false alerts are normal.
Circumstances that may cause a false alert are; guardrails, freeway concrete walls, cyclone fencing, sharp turns around a pole or building, or coming to a stop with a vehicle directly behind but very close. False alerts are temporary and self correct.
See also:
Active park assist
EPAS is also the primary technology behind the available active park assist
(APA) system.
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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. ...
Ford and Lincoln car care products
Your Ford or Lincoln authorized dealer has many quality products
available to clean your vehicle and protect its finishes. These quality
products have been specifically engineered to fulfill your ...
