Dashboard not working at night or when it rains plus bad fuel economy

Discussion in 'Gen 2 Prius Fuel Economy' started by nicoya69us, Dec 1, 2017.

  1. nicoya69us

    nicoya69us Junior Member

    Joined:
    Mar 8, 2017
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    Location:
    US
    Vehicle:
    2008 Prius
    Model:
    Four
    Long time user, first time posting. Besides the dash board not working at night or when it's cold. I get a weak gas mileage when dashboard is not working. Any suggestion? I changed the original 12v battery with another one not for prius since the car is not in the US. Thanks

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  2. bisco

    bisco cookie crumbler

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    Vehicle:
    2012 Prius Plug-in
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    Plug-in Base
    how can you tell the mpg's are bad when the dash isn't working?
     
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  3. Stephenjn

    Stephenjn New Member

    Joined:
    Nov 25, 2017
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    Location:
    Boise, Idaho
    Vehicle:
    2009 Prius
    Model:
    Three
    I have recently started getting horrendous fuel mileage with my 2009 Prius. It's been very cold here (Boise, Idaho, USA) lately, and my dashboard has also stopped responding to touch. It "seems" to get better when the car gets very warmed up, but I have the hardest time adjusting temperature controls. I am basically stuck on defrost. That may be attributing to my poor gas mileage, but I am not sure. Why would you change the battery?
     
  4. bisco

    bisco cookie crumbler

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    boston
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    2012 Prius Plug-in
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    Plug-in Base
    if it is week, the hybrid battery has to charge it more, and the engine has to run more to recharge the hybrid battery, using more fuel.
     
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