am I right in what I hear?

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by uropip, Oct 1, 2013.

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  1. uropip

    uropip Member

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    Do I hear my proximity / noisemaker thingy Shift gears? hahaha
    I have yet to drive another car beside it but I think I hear it "shift gears" around 28-29mph?
     
    #1 uropip, Oct 1, 2013
  2. ny_rob

    ny_rob Senior Member

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    The noisemaker turns off above a certain mph- I don't think it's active above 20mph?
     
    #2 ny_rob, Oct 1, 2013
  3. uropip

    uropip Member

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    I am definitely able to reproduce what I hear EVERY time I drive in EV mode..
    The noise "shifts gears" and shortly after that theres too much wind noise to hear it from the driverseat.
    Might have to set up the GOPRO camera! lol
     
    #3 uropip, Oct 1, 2013
  4. Ken Blake

    Ken Blake Active Member

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    the noisemaker is only supposed to be active from 1-12MPH, and only in EV or "Golf Cart" mode.
     
    #4 Ken Blake, Oct 1, 2013
  5. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    Pretty sure the noisemaker is still active in HV at those speeds.
     
    #5 markabele, Oct 1, 2013
  6. uropip

    uropip Member

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    Confirmed it like 6 times on the way home.. lol.

    Samsung Galaxy S4 mobile cellular device
     
    #6 uropip, Oct 1, 2013
  7. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    A) your Prius itself never shifts gears
    B) The noise maker works at 15 MPH and below
    However,
    C) the noise maker DOES change with speed.

    Toyota's 2012 Prius V hybrid will make noise to alert pedestrians
     
    #7 JimboPalmer, Oct 1, 2013
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  8. El Dobro

    El Dobro A Member

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    I heard the flying saucer around 25-27 mph. It does make an up-down noise that sounds like it's shifting.
     
    #8 El Dobro, Oct 1, 2013
  9. zhenya

    zhenya Active Member

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    Mine is definitely audible well above 12mph. I'd have to check to see exactly, but I'd say i notice it the most around 20mph.
     
    #9 zhenya, Oct 1, 2013
  10. Michael33

    Michael33 Member

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    Does it downshift as you slow? :)
     
    #10 Michael33, Oct 1, 2013
  11. uropip

    uropip Member

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    U know I will have to pay attention tobsee if it downshifts too lol..

    Herrrrderrrrrrr I know the Prius doesnt shift. . The noise does

    SCH-I545 ? 4
     
    #11 uropip, Oct 1, 2013
  12. El Dobro

    El Dobro A Member

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    It makes people that don't like CVTs feel comfortable with the shifting noise. :p
     
    #12 El Dobro, Oct 1, 2013
  13. CharlesH

    CharlesH CA HOV Decal #5 on former PiP

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    Nit: the Prius does not even have a CVT, in the mechanical sense. The Power Split Device along with MG1 and MG2 plus a lot of computer code simulates the effect of a CVT.
     
    #13 CharlesH, Oct 2, 2013
  14. El Dobro

    El Dobro A Member

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    Yep, I know an eCVT, but it's not worth trying to explain that to a novice. All they know is that they can't feel a shift. ;)
     
    #14 El Dobro, Oct 2, 2013
  15. Edsvfr800

    Edsvfr800 Member

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    I unplugged that dumb thing months ago and never looked back...my car is nice and quiet now at low speeds.
     
    #15 Edsvfr800, Oct 4, 2013
  16. Priusmpg

    Priusmpg Active Member

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    What connector did you unplug. were there any side effects( lights, warnings, beeps)
     
    #16 Priusmpg, Oct 4, 2013
  17. Michael33

    Michael33 Member

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    Just remember that if you hit a pedestrian or bicyclist, you've given them grounds - both legal and moral - to sue. I also ride a bicycle, and even some ICE cars are too quiet to hear coming if there is ambient noise.
     
    #17 Michael33, Oct 4, 2013
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  18. Priusmpg

    Priusmpg Active Member

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    If one hits a pedestrian/ cycler while going under 12 mph I seriously doubt he should be behind the wheel of any car and 2010 Prius or 2009 Prius did not have a noisemaker. If you think a toddler can hear a small whirring sound I think you're mistaken. I don't think it does anything more than annoy people in a parking lot. It's not even familiar noise.
     
    #18 Priusmpg, Oct 4, 2013
  19. zhenya

    zhenya Active Member

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    12mph?

    Mine is definitely audible up to ~30mph.
     
    #19 zhenya, Oct 4, 2013
  20. Priusmpg

    Priusmpg Active Member

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    Maybe you're hearing the electric motor
     
    #20 Priusmpg, Oct 5, 2013
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