Using the Tools38 nüLink! 2300 Series Owner’s ManualecoRoute HD AccessoryWhen connected to the ecoRoute HDaccessory, your device can receivereal-time vehicle information, suchas error messages, RPM, and batteryvoltage. Your device includes data readfrom the vehicle by the ecoRoute HDaccessory when calculating ecoRoutedata.Go to www.garmin.com/ecoroutefor compatibility and purchasinginformation.Setting up the Vehicle ProfileThe first time you use the ecoRoutefeatures, you must enter vehicleinformation.1. Select Tools > ecoRoute™.2. Enter fuel and mileage information.Changing the Fuel Price1. Select Tools > ecoRoute™ > At thePump.2. Enter the current price of fuel, andselect Next.3. Select Yes.Calibrating the Fuel EconomyYou can calibrate the fuel economyto receive more-accurate fuel reportsfor your specific vehicle and drivinghabits. You should calibrate when youfill up your fuel tank.1. Select Tools > ecoRoute™ > At thePump.2. Enter the current fuel price.3. Enter the amount of fuel the vehiclehas used since the last time the fueltank was filled.4. Enter the distance you havetravelled since the last time the fueltank was filled.5. Select Next.