Harmonious Driving Navigator
#1
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Join Date: May 2012
Location: Pennsylvania
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Does anyone know how the GS's JDM "Harmonious Driving Navigator" works? It seems interesting.
![](http://lexus.jp/brand/hdn/images/ecodriving_img_system.jpg)
http://lexus.jp/brand/hdn/index.html
It looks like the system uploads your fuel economy statistics to a Toyota server each night. The statistics can be viewed online.
https://lexus.g-book.com/alpha/hdnranking_gs350.html
![](http://lexus.jp/brand/hdn/images/ecodriving_img_system.jpg)
http://lexus.jp/brand/hdn/index.html
It looks like the system uploads your fuel economy statistics to a Toyota server each night. The statistics can be viewed online.
https://lexus.g-book.com/alpha/hdnranking_gs350.html
#2
![Default](https://www.clublexus.com/forums/images/icons/icon1.gif)
Here is the brief description of this:
http://lexusenthusiast.com/2011/01/2...ing-navigator/
http://collisionconcierge.com/auto-b...ble-donations/
http://lexusenthusiast.com/2011/01/2...ing-navigator/
http://collisionconcierge.com/auto-b...ble-donations/
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