"Optimize for towing" message

[Airboss68]

Winnebago View Mercedes Sprinter 3500 chassis.
Whenever I hookup my trailer wiring harness and start the engine I get an "optimize for towing message and the options of yes or no.

What happens if I select yes?

Is this the same as tow haul mode on other vehicles?

Does it change shift points?

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[Airboss68]

It helps to read the entire sentence.


So, it is evidently referring to the nav function and not the rv