ecoRoute ™ HD Owner’s Manual Supplement Calibrating Fuel EconomyUse this feature when you refuel to maintainan accurate fuel economy.1. Touch Tools > ecoRoute > At the Pump.2. Enter the current fuel price.3. Enter how much fuel your vehicle hasused since the last fill up.4. Enter the distance you have traveledsince the last fill up.5. Touch Next. The nüvi calculates youraverage fuel economy.Viewing Saved Fuel EconomyScores1. Connect the mini-USB connector to theback of the nüvi.2. Connect the larger end of the cable to anavailable USB port on your computer.Your nüvi and memory card appear asremovable drives in My Computer inWindows and as mounted volumes onMac computers.3. Open the “Garmin” drive/volume.4. Open the “Reports” folder.taking the ecoChallengeTouch Tools > ecoRoute > ecoChallenge.The ecoChallenge helps you maximizeyour fuel economy by scoring your drivinghabits. The higher your ecoChallenge scores,the more fuel you save. The ecoChallengecollects data and calculates a score wheneveryour device is moving and in Automobileusage mode.The ecoChallenge icon displays yourcurrent score on the map when you areusing your device in Automobile usagemode. Touch the icon to view detailedecoChallenge scores.The leaf color on the driving challenge iconchanges depending on your performance inthe challenge.