I notice that in automatic shift mode on interstates, my 2015 JGC Overland likes to cruise in 7th gear instead of getting into 8th gear. IIRC, on flat ground it would get into 8th, but on non-level (but not very steep) interstates (I-81 and I-380 in PA) it liked to stay in 7th while cruising (not passing, not accelerating, not using cruise control. No cargo, no passengers). Paddle shifting to 8th didn't seem to be too much for the engine (and improved the instant mpg by about 1 mph).
Does anyone know what the shift parameters are for automatic shifting into 8th gear? Is this normal behavior?
Does anyone know what the shift parameters are for automatic shifting into 8th gear? Is this normal behavior?
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