See also:

Driving on hilly or sloping terrain
Although natural obstacles may make it necessary to travel diagonally up or down a hill or steep incline, you should always try to drive straight up or straight down. Note: Avoid driving crosswise ...

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. ...

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 ...