Just picked up my wife’s new 2010 Equinox from the dealer and went for a drive. As I was driving I notice that if I build up speed and take my foot off the gas the transmission will downshift, as a result the tachometer RPMs jump up. None of the cars I have owned over the years have done this. I don’t believe this is good as higher RPMs = lower gas mileage. Has anybody else notice this and reported it to the dealer? If yes what was the outcome?