Overdrive?
Towing 5000 pound hybrid with a 5.7 Ram. 5th and 6th are overdrive, Lock them out and haul in 4th? Lock out 6 and use 5th or just hit tow haul and not worry about it. Mostly flat rolling terrain with...
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I would put it in tow-haul and let it do whatever it's computers says it can. Within limits. For example, if it kept shifting gears all of the time, I would downshift till it would mainly stay in the 1 gear.
