I find I have a lot more control using the foot throttle regardless of which trailer I'm towing, and that means increased fuel mileage and less tranny-trauma. I tow everything from a 2500lb snowmobile trailer to equipment trailers weighing more than the truck is rated for and consistantly get better mileage than with cruise. The heavier trailers I use the "S" mode and lock out 6th gearMy owners manual says not to use cruise control while towing. I like using cc on long trips. Does anyone out there ever use cc on long hauls. Your input on this matter would be appreciated.
2012 tundra 5.7 crew cab
I do the same thing when Im towing my 28ft Travel trailer with bikes and all probably which weighs around 7000 pounds fully loaded. I set cruise on flat roads but disengage it before an incline.I think it depends on what type of terrain you are towing in and how big your trailer is. I tow a 25' travel trailer and have found using the cruise control causes the tranny to downshift more than I would like. If I'm on a flat stretch I'll use it but if a hill is coming up I cancel it and let the truck loose a little speed if needed to keep the tranny from shifting.