This screen is used for guidance for voice command systems setting.

To return to the default volume settings
Select “default”, and then “yes”.
Display settingsSelecting trailer ball
Use the correct trailer ball for your application.
Trailer ball load rating
matches or exceeds the gross
trailer weight rating of the trailer.
Ball diameter
matches the size of the trailer coupler.
Most couplers are stamped
with the required trailer ball size.
Shank len ...