nüvi 765 Owner’s Manual 33Using the ToolsecoRoute ™The ecoRoute feature calculates yourvehicle’s fuel economy, carbon footprint,and the fuel price of navigating toa destination and offers tools forimproving fuel efficiency.The data provided by the ecoRoutefeature are estimates only; They arenot actually read from your vehicle. Toreceive more accurate fuel reports foryour specific vehicle and driving habits,calibrate the fuel economy.Touch Tools > ecoRoute. The first timeyou access the ecoRoute features youwill be asked to enter fuel and mileageinformation about your vehicle.View the Fuel ReportIf you have entered your vehicle profileand the current fuel price, your nüvicalculates your vehicle’s average fueleconomy and carbon footprint, and thecost of fuel consumed.To view the fuel report, touch Tools> ecoRoute > Fuel Report. The fuelconsumption data is based on estimatesfor speed and acceleration for an averagevehicle.TIP: To ensure fuel data is alwaysrecorded, keep your nüvi turned onwhile driving.Touch Reset to reset the data.Calibrate the Fuel EconomyCalibrate the fuel economy to receivemore accurate fuel reports for yourspecific vehicle and driving habits.Calibrate when you fill up your fuel tank.1. Calculate your miles per gallon orliters per 100 kilometers.2. Touch Calibrate.3. Touch + and - to enter the result fromstep 1.4. Touch OK.