See also:

Current fuel consumption
Current fuel consumption Displays the current fuel consumption. You can check whether you are currently driving in an efficient and environmentally-friendly manner. ...

Display on the Control Display
Display the computer or trip computer on the Control Display. 1. "Vehicle Info" 2. "Onboard info" or "Trip computer" Resetting the fuel consumption and speed 1. & ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...