XC 60 Drive Summum, EZ March 2011, approx. 7000 km: I’m basically (very) satisfied if the fuel consumption was not. According to BC on average 7.8 liters (actually more than 8) with extremely restrained driving over the entire 7,000 km (each 1/3 AB, rural road and city). The specified 5.9 liters (for me a purchase argument) are utopian! My problem/question: If you go off the gas, the instantaneous consumption indicator usually jumps to 0.0 liters within about 1 second. However, in recent times this does not happen more often. Instead, the instantaneous consumption according to BC only gradually returns and never returns to 0.0 liters. A residual consumption (about 1-1.5 liters) then always stops. The whole thing leads to my instantaneous consumption according to BC on an identical section of the route being about 1.5-2 liters higher than usual (did it have been tested several times on the way to work). Usually (but not always) this phenomenon has ended after a reboot, i.e. then the instant consumption indicator jumps again within about 1 second? Can I explain the gas?