2013 Ram questions

I just bought a 2013 Ram 4x4 Crew cab 5.7 Hemi, a few months ago. I installed a tonneau cover, but fuel mileage sucks! I get about 12.7 mpg average city and 15 highway. I don't have many miles on as yet, so hopefully the fuel mileage will get better. As for the annoying vibration in ECO mode, well the service adviser told me Mopar is working on a fix.
gliderider06: Did they fix your shutter problem?