2019 Prius loud high pitched noise when starting the car

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by Liz Liu, Nov 10, 2022.

  1. Liz Liu

    Liz Liu New Member

    Joined:
    Nov 10, 2022
    2
    0
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    Location:
    las vegas
    Vehicle:
    2019 Prius
    Model:
    Limited
    Can anyone help with my car? I took to dealer. They couldn't find any problem with it
    and the noise is coming from SOS system or the sun roof controller.
    I have search everywhere and went to 3 different local auto shop no body can't help me since it doesn't happened every time so each time when the car is at the dealer or the auto shop It just won't make that noise
    It doesn't allow me to put youtube link on here.
     

    Attached Files:

    #1 Liz Liu, Nov 10, 2022
  2. schja01

    schja01 One of very few in Chicagoland

    Joined:
    Apr 22, 2005
    1,687
    1,134
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    Location:
    Chicagoland
    Vehicle:
    2018 Prius
    Model:
    Prime Advanced
    Does it occur only when your iPhone is in the car?
    That might explain why does not happen when you are not in the car.
    Try turning off the iPhone so it doesn't pair to the car and see if you can create the sound.
     
    #2 schja01, Nov 11, 2022
  3. Liz Liu

    Liz Liu New Member

    Joined:
    Nov 10, 2022
    2
    0
    0
    Location:
    las vegas
    Vehicle:
    2019 Prius
    Model:
    Limited
    Thank you let me try
     
    #3 Liz Liu, Nov 18, 2022
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