IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Eco Mode

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Old Jul 19, 2015 | 02:09 PM
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Default Eco Mode

So I picked up a 15' IS250 last week and had a question. I know the eco mode only picks up 1/2mpg but my question was on the dash, theres a globe. I was cruise controlling at 70-75 on the highway this morning and ti was like 4-5 bars but when i was driving 80, it was like 7-8 bars. Um..... whats it exactly mean? How do you get it all the way? I've taken my foot off the gas and it goes to 0. I accelerate lightly and it does go full but only temp. Being that I just got the car, I'm trying to get the best MPG I can. Any help?


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Old Jul 19, 2015 | 02:27 PM
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Page 90 of the MY 15 IS owner's manual. Here's link if your hard copy is not handy.

http://drivers.lexus.com/t3Portal/do...f/OM53C50U.pdf
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Old Jul 19, 2015 | 02:41 PM
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Originally Posted by PatrixUSA
Page 90 of the MY 15 IS owner's manual. Here's link if your hard copy is not handy.

http://drivers.lexus.com/t3Portal/do...f/OM53C50U.pdf
thanks, it doesnt make much sense to me. so if you accelerate slowly, it helps with the mpg, i get that. what i dont get is, when i was driving 80, i had more bars than when i was driving 70 or 75.
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Old Jul 19, 2015 | 02:52 PM
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The more bars present on the "globe" or eco zone display, the less economical you are driving... so, simply put, you want less bars showing, meaning you are driving more economical. The more bars present, the more your acceleration is outside of the zone of economical driving.
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Old Jul 19, 2015 | 02:55 PM
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Originally Posted by PatrixUSA
The more bars present on the "globe" or eco zone display, the less economical you are driving... so, simply put, you want less bars showing, meaning you are driving more economical. The more bars present, the more your acceleration is outside of the zone of economical driving.
ahhh.... why i didnt think of it like that... i figured the more the better. ill just look at the average mpg screen and not worry. thnx for helpng me not be stupid.
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Old Jul 19, 2015 | 03:02 PM
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No worries, it is kind of counter intuitive at first glance... I think of the bars as carbon emissions, the more bars the more CO2 I'm putting out into the globe... so always looking for the fewest bars when just cruising.
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Old Jul 19, 2015 | 03:20 PM
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Originally Posted by PatrixUSA
No worries, it is kind of counter intuitive at first glance... I think of the bars as carbon emissions, the more bars the more CO2 I'm putting out into the globe... so always looking for the fewest bars when just cruising.
yeah, like i said, when im hitting the gas, it goes up. accelerating burns more gas than anything. still feel stupid lmao
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Old Jul 19, 2015 | 05:32 PM
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Originally Posted by dsigs83
yeah, like i said, when im hitting the gas, it goes up. accelerating burns more gas than anything. still feel stupid lmao
All this time I thought more bars meant you are doing great for the environment so I have been driving flat out everywhere.

On a serious note, it was confusing in the beginning for me as well. Mercs have something similar for ECO mode so more bars mean the greener you are.

The bars on IS representing carbon emissions makes sense, the more you have the worse is it for the environment.
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