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Red Triangle

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by DavidY, Jan 20, 2020.

  1. DavidY

    DavidY Reptile Breeder

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    The other day when the temperature outside was in the single digits, I tried to start my 2005 Prius and it wouldn't start and the red triangle with the exclamation point appeared on the dashboard. I tried a couple more times and it started and ran fine. But now whenever I start the car the red triangle appears briefly and then goes away. Could this be a battery issue?
     
    #1 DavidY, Jan 20, 2020
  2. JC91006

    JC91006 Senior Member

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    You should just get that battery tested. It's free at most auto parts places
     
    #2 JC91006, Jan 20, 2020
    Raytheeagle and SFO like this.
  3. DavidY

    DavidY Reptile Breeder

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    Ok thanks.
     
    #3 DavidY, Jan 20, 2020
  4. dolj

    dolj Senior Member

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    Yes. This is the only warning you get that the car is not happy with the 12 V battery and indicates low 12 V battery voltage. It is the only time the MCL (master caution light) illuminates on startup. Most people never notice it, so good on you!
     
    #4 dolj, Jan 21, 2020
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