Ok, sorry for not getting back sooner. Just changed the filters on my 2013, my truck had the up date re flash and when it was done it reset my Fuel filter life meter back to 100% good. So after about 3,000 miles give or take it was back down to 65% life. Ok, enough back history. After changing the filters I scrolled through the on dash menue brought up the fuel filter page it shows to reset hold the right arrow button down. Ok did that. Oh yea, key on engine running. The miles on the filter reset to zero (0) but it still showed filter life at 65%. Shut engine off re started still showing the same 0 miles but 65% life left. I put the truck in drive and took off while holding the reset (right arrow button) down and as soon as the engine rpm increased the filter life reset to 99%. I almost wonder if there is a pressure sensor after the fuel filters and the computer senses the pressure and sets the filter life on how much it drops when the engine load is increased?