Perhaps I don't understand grades, having spent most of my life in Florida, but so long as I'm able to accelerate in a gear it should be safe to run in that gear?
I recently moved to Tallahassee and had to learn driving on hills, and found I could accelerate up some steep grades in 5th from as little as 15 or 20mph (850-1100rpm). I typically don't shift before 2000rpm, but I see my wife accelerating up some grades I'd eyeball at 30-40% in 5th below 25mph. Should I make sure she downshifts?
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