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.
See also:
Recreational towing
Follow these guidelines for your specific powertrain combination to tow
your vehicle for personal travel (such as behind a motor home or a
truck).
Note: Put your climate control system in recir ...
System warnings
System warnings alert you to possible problems or malfunctions in your
vehicle’s operating systems.
In the event of a multiple warning situation, the message center will cycle
the display to show ...
Blocked sensor
An extreme build-up of materials on
the left and/or right quarter panel
fascias such as mud or snow can
cause degraded performance of the
BLIS . Also, heavy rain can cause
the same effect. ...
