Mystery reset

Discussion in 'Gen II Prius Main Forum' started by bredekamp, Apr 13, 2008.

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    bredekamp New Member

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    Hi all,

    I had the last pip on the gas gauge flashing so I put in some fuel. Finished up and moved the car forward in EV mode to visit the shop. I was going to reset the trip meter on the MFD consumption screen, but saw that it had gone to zero on its' own. I was puzzled. I don't remember pressing reset...The consumption was still where it was before.All the other systems work normally and the distance reading on the MFD consumption screen is counting up correctly.

    A fluke? I have a brand new 12V battery so don't think it's a low battery voltage issue.
    bredekamp, Apr 13, 2008
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    pewd Clarinet Dude

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    thats normal, mine works that way too.
    it resets itself after a kilometer or 2.
    pewd, Apr 13, 2008
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    bredekamp New Member

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    I never noticed it does that, because I always reset it myself before driving off.
    bredekamp, Apr 13, 2008
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    firepa63 Former Prius Owner

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    From 06 on, the mileage resets but the MPG does not reset. With the 04, both mileage and MPG resets after about a 10th of a mile. Not sure about the 05...
    firepa63, Apr 13, 2008
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    F8L Protecting Habitat & AG Lands

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    Does it on the '05 as well.
    F8L, Apr 13, 2008
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    bredekamp New Member

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    and here I thought I knew everything about my car:doh:
    bredekamp, Apr 13, 2008
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    discoganya New Member

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    Anyone have a mystery MPG reset? I had never reset the MPG since I bought the car -- my logic was to reset it only when selling the car and hence find the total average fuel economy. But suddenly at about 5500 miles it reset itself after a normal fillup. No warnings, no indications and I'm 100% sure I did not hit the reset button accidentally. I'm looking at it ... and it goes from 43.2 MPG, 401 miles to 0.0 MPG, 0 miles.

    Any ideas?
    discoganya, Apr 13, 2008
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    road__rider New Member

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    I guess I am going to have to watch mine next time I fill up. I haven't heard of this before.
    road__rider, Apr 13, 2008
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