2012 Toyota Tundra 5.7 SR5 Towing Package
Hello, we have just purchased a new Toyota Tundra to pull our 25 foot Avion TT that weighs 7800 lbs (gross), We tried using tow haul switch and it seems to change back and forth even with a small hil...
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I leave tow/haul on all the time when towing as it changes the shift points and other things for some sort of an advantage, though I'm not sure what that is. I figure the software is smarter than me so I keep it on. It will still shift in hills as you describe. To be honest, I've never noticed much difference with it on or off except it shifts a bit different.
