See also:

Windows and wiper blades
The windshield, rear and side windows and the wiper blades should be cleaned regularly. If the wipers do not wipe properly, substances on the vehicle’s glass or the wiper blades may be the cause. ...

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 ...

Blind spot information system
Blind Spot Information System (BLIS®) with cross-traffic alert can detect vehicles in blind spots during normal driving as well as traffic approaching from the sides when the driver is reversing out ...