nüvi 2200/2300 Series Owner’s Manual 37Using the Toolsengine light. Go to www.garmin.com/ecoroute for compatibility andpurchasing information.Using ecoRoute1. From the main menu, touch Tools> ecoRoute.2. If prompted, enter fuel andmileage information.The first time you use theecoRoute features, you mustenter vehicle information.Calibrating the Fuel EconomyYou can calibrate the fuel economyto receive more-accurate fuel reportsfor your specific vehicle and drivinghabits. You should calibrate whenyou fill up your fuel tank.1. From the main menu, touch Tools> ecoRoute > At the Pump.2. Enter the current fuel price.3. Enter how much fuel the vehiclehas used since the last fill up.4. Enter the distance you havetraveled since the last fill up.5. Touch Next.The device calculates the averagevehicle fuel economy.About the ecoChallengeThe ecoChallenge helps youmaximize the vehicle fuel economyby scoring your driving habits. Thehigher your ecoChallenge scores,the more fuel you have saved. TheecoChallenge collects data andcalculates a score whenever yourdevice is moving and in Automobiletransportation mode.Viewing ecoChallenge ScoresFrom the main menu, touch Tools> ecoRoute > ecoChallenge.