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Can someone explain what LRR means?
Well good luck :-) I have been playing around between eco and normal this tank (only my second with the C) and I was getting 3-5mpg less without...
Is your goal to get better gas mileage? Or are you just trying to drive normal and see where you land?
I am interested in this also. OP, did you end up getting it?
^ I'm impressed with your 61.4 average so far, any tips?