trip computer

Just bought a 2017 S5 and cant work out how to stop it telling me my avg fuel consumption is 6.9mpg! I have reset several times on short and long term memory (same mpg for both after reset and some driving) Any ideas guys?

Hi Guys, Does everyone else's trip computer 1 automatcially reset when the car starts up? If I turn the car off and then turn it on within a few minutes, the trip one computer is intact. However, when I leave the car off for an extended period of time, say a few hours, when I start the car...