90% of the time I haul OUT of Tow/Haul and IN Overdrive. Only time I use TH is going up or down the steeper grades or when approaching an exit or a rest area off ramp. I take it out of OD whenever I am on an upgrade where I feel the tranny may have to shift down, down steeper grades and again when approaching a an exit ramp or rest area ramp. I like to let the tranny do the work of slowing me down and save the brakes whenever I am pulling off the travel lanes for an exit or rest stop.
Glenn
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