See also:

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. ...

Underbody
Flush the complete underside of your vehicle frequently. Keep body and door drain holes free from packed dirt. ...

SAFETY
There's no hunting or digging for Latch connectors in the MKZ. They stuck out from the cushions, so there wasn't any thumb-wrestling with overstuffed cushions to get everyone's child-safety seats ...