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What is the proper RPM or MPH when shifting?
The question is this, what's the RPM or MPH when to properly upshifting safely without it being rough on the transmission? Also, this goes for the downshifting as well.
I know the car automatic downshifts itself but, is it safe to let the car downshift itself even when in automatic manual position?
Any advice is helpful and really would appreciate it... thanks.