Prius Prime won't use electric miles

Discussion in 'Prime Main Forum (2017-Current)' started by Jane The Pain, Feb 14, 2021.

  1. Jane The Pain

    Jane The Pain New Member

    Joined:
    Nov 19, 2020
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    Location:
    Worcester, MA
    Vehicle:
    2017 Prius Prime
    Model:
    Plug-in Advanced
    I have 2017 Prius Prime. This morning it showed 22 electric miles but in the 6 mile trip it hasn't used any! I reset the mpg and it's average an all-gas average, I.e. 50 mpg.
    Anyone experience this?
     
    #1 Jane The Pain, Feb 14, 2021
  2. Tideland Prius

    Tideland Prius Moderator of the North
    Staff Member

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    How cold was it this morning? If it's below 10°F, the car will use the engine to provide heat to the cabin and thus will run the engine. (i.e. in hybrid mode).
     
    #2 Tideland Prius, Feb 14, 2021
    schja01 likes this.
  3. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
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    Location:
    boston
    Vehicle:
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    Plug-in Base
    it was 28f here this morning. worcester might be a bit colder. nonetheless, it could just be one of those toyota disclaimers, 'the engine may start at any time for any reason'.

    or maybe you were in hv mode or ev auto?
     
    #3 bisco, Feb 14, 2021
  4. walterm

    walterm Active Member

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    If you run the windshield defroster when it's cold out it will start the ICE.

    Or if you accelerate too quickly while the battery is cold it may start the ICE.
     
    #4 walterm, Feb 14, 2021
    70ghia and bisco like this.
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