I don't use cruise, it speeds up too much when it shouldn't and wastes gas. I do the same in hills, it just downshifts and revs up when it should just take it easy. I'll even take it out of cruise on a highway with a lot of steep overpasses. Everyone is different but I do the same in my car.
You didn't ask, but on long, uphill highway grades like we have driving from CA into OR, I like to tuck in behind a big rig and just take my time. Your transmission will thank you.
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Bob C
2002 Itasca Suncruiser 35U
Workhorse Chassis
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