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Chapter
05Eco-friendly
This navigation system is equipped with eco- friendly driving functions that can be used to estimate whether you are driving in an environmentally friendly way.
This chapter describes these functions.
!The fuel mileage calculated is based on a theoretical value determined from vehicle speed and position information from the navigation system. The fuel mileage dis- played is only a reference value, and does not guarantee the mileage displayed can be obtained.
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This function estimates approximate fuel mileage based on your driving, compares that with your average fuel mileage in the past, and displays the results in a graph.
The graph appears when the map display is set to “Eco Graph”.
1Display the “Map Settings” screen.
=For details, refer to Displaying the screen for map settings on page 156.
2Touch [View Mode].
The “View Mode” screen appears.
3 Touch [Eco Graph].
The “Eco Graph” screen appears.
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1Eco Score
The result of the comparison of your past average fuel mileage and current average fuel mileage appears as a value from
0.0 Pts (points) to 10.0 Pts. The higher the value, the better the fuel mileage when compared to past route guidance.
The green gauge indicates the current score, and the gray gauge indicates the best score to date.
The “Eco Score” is updated every 5 min- utes.
p This is not displayed when “Eco Score” is set to “Off” or when no route is set.
2Best Score
Displays the best score to date.
p This is not displayed when “Eco Score” is set to “Off” or when no route is set.
3Average fuel mileage comparison graph Displays a comparison of the average fuel mileage up to the point the navigation sys- tem was last stopped (past average fuel mileage) and the current average fuel mile- age. The display is updated every 3 sec- onds. The more the value moves in the direction of +, the better the fuel mileage. There are three different graph bars.
! Total
A comparison of the past average fuel mileage and the average fuel mileage of the current drive.
! : Ordinary Road
A comparison of the past average fuel mileage and the average fuel mileage for 90 seconds in the past, while the ve- hicle is driving on an ordinary road.
! : Freeway
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