Instruments and controls 93When the tank has to be refuelledimmediately, a warning code orwarning message is displayed onvehicles with Midlevel- and Uplevel-Display or Uplevel-Combi-Display.Additionally the control indicator i inthe fuel gauge illuminates or flashes3 79.Average consumptionDisplay of average consumption. Themeasurement can be reset at anytime and starts with a default value.To reset, press the SET/CLR buttonfor a few seconds.Instantaneous consumptionDisplay of the instantaneousconsumption.Average speedDisplay of average speed. Themeasurement can be reset at anytime.To reset, press the SET/CLR buttonfor a few seconds.Digital speedDigital display of the instantaneousspeed.Traffic sign assistantIndicates detected traffic signs for thecurrent route section 3 143.ECO drive assistantAn arrow indicates a recommendedupshifting for fuel saving.Additionally a bar indicates if thecurrent driving is economical. A fullbar indicates most economicaldriving.Vehicle personalisationThe vehicle's behaviour can bepersonalised via changing thesettings in the Info-Display.Some of the personal settings fordifferent drivers can be memorisedindividually for each vehicle key.Memorised settings 3 21.Depending on vehicle equipment andcountry-specific regulations some ofthe functions described below mightnot be available.Some functions are only displayed oractive when the engine is running.