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Old 06-07-2018, 01:10 PM   #1
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Tow/haul mode

We have just installed a tow package on our 2018 Greyhawk Prestige 29MVP and 2017 Chevy Colorado. I have never towed a vehicle before and was wandering if I should use the tow/haul mode anytime I am towing the truck.
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Old 06-07-2018, 01:15 PM   #2
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When towing always use the tow mode. It keeps the transmission from shifting into overdrive.
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Old 06-07-2018, 01:16 PM   #3
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Yes...always.
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Old 06-07-2018, 01:28 PM   #4
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I never use it. I have not noticed any difference on or off. Mine don't prevent overdrive but if it did, all the more reason not to use it. I get 7.5 mpg while in OD which for me, is 4th gear. I could not imagine what I would get if I drove around in 3rd gear.
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Old 06-07-2018, 01:43 PM   #5
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Tow/Haul mode on newer vehicles is more than locking out Overdrive. It also shifts the transmission up and down when climbing hills or descending them.

Tow/haul is your friend and it is there for Towing and Hauling.

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Old 06-07-2018, 02:29 PM   #6
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helps when breaking down hill
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Old 06-07-2018, 02:52 PM   #7
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Tow , haul mode ..... haul , tow mode .... self explanatory I would think :-)
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Old 06-07-2018, 03:43 PM   #8
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On modern rigs, Tow/Haul does a myriad of things, including changing shift patterns, throttle response, in some even braking response and steering response (Fords adaptive steering) and more. It is very worth while to use while towing. One way to think of it is a built in push button tune. While it doesn't change your engine power output at all like a true tune, it changes a-lot of other things a tune would.
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Old 06-07-2018, 07:37 PM   #9
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We have the exact same motorhome as you and tow a Jeep 4 door Rubicon Recon. We always use the tow/haul as much for the transmission braking as the shifting.

All newer computer operated vehicles have two programs installed. One for everyday driving and one for towing. The engineers put it in there for a reason. I use it.

I like your choice of motorhome!
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Old 06-07-2018, 08:31 PM   #10
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When out on the freeway, I leave it off, pull my trailer fine in overdrive. When I start to get ready to go up long hills of down long hills, I engage the Tow/Haul mode.
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