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Alien Warning Sound at low speeds

Discussion in 'Gen 5 Prius Main Forum' started by artieb, Feb 6, 2024.

  1. artieb

    artieb Junior Member

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    Limited AWD-e
    It seems to disappear @ low speeds when you shift to B mode
    Or is it just me and my hearing???
     
    #1 artieb, Feb 6, 2024
  2. David Mk.2

    David Mk.2 Member

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    It's meant to be that way - it is an audible sound at low speeds when when the ICE is not running to warn pedestrians about your proximity, required by regulation for all newer hybrids/EVs
     
    #2 David Mk.2, Feb 6, 2024
    artieb likes this.
  3. bisco

    bisco cookie crumbler

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    It’s your hearing :cool:
     
    #3 bisco, Feb 6, 2024
    David Mk.2 likes this.
  4. artieb

    artieb Junior Member

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    thanks make’s sense ICE is running and no sound needed in that scenario
    I use the B mode often as it’s convenient rather than use brakes for example slowing down as I approach lights or downhill grades to maintain an even speed sometimes as needed and Especially at about 3-5 mph in parking lot as it really slows you up quickly
    Still getting used to screens and controls on my 2024 LTD pearl white
    After 14 years with our 2010 V and 146K it’s an adjustment still like some characteristics of the old one in some respects
    There really is so much tech almost overdone 2 completely different sets of software
    Not easy to integrate Car Play Sirius music Apple Music etc etc in an easy to use system
    Who put the volume knob were it is ?
    Radio is not easy to use with limited favorites
    Love the car tho and boy is it gorgeous!
    Having problems loading pictures won’t let me add any photos at all not sure why?
    Tips anyone
    TIA
     
    #4 artieb, Feb 6, 2024
    Mendel Leisk likes this.
  5. bisco

    bisco cookie crumbler

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    Uploads have been broken since a server migration a few months ago.
    More software issues :p
     
    #5 bisco, Feb 6, 2024
  6. bisco

    bisco cookie crumbler

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    The pedestrian warning sounds shouldn’t disappear at low speeds, they should disappear above 20 mph or so
     
    #6 bisco, Feb 6, 2024
  7. Agent337

    Agent337 Junior Member

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    SE
    In EV mode the artificial "UFO" sound automatically turns off after you accelerate past 24mph and comes back on once you decelerate to 21mph and under. The sound seems to be louder once you shift into reverse, however I don't know if that sound ever turns off once you hit a certain speed in reverse, since for some reason I've never floored it going in reverse :D
     
    #7 Agent337, Feb 6, 2024
    bisco likes this.
  8. Trollbait

    Trollbait It's a D&D thing

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    The sound stopping happened with the engine coming on. You know, cause it is so loud. (We'll ignore all the ICE cars that are quieter than a Prius at those speeds)
     
    #8 Trollbait, Feb 7, 2024
  9. David Mk.2

    David Mk.2 Member

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    In most situations it's actually more efficient to just use the normal regen brakes rather than using B mode engine breaking. B mode is meant for long downhill grades to prevent wear on the normal brakes when the regen is full or the regen brakes aren't enough
     
    #9 David Mk.2, Feb 7, 2024
  10. artieb

    artieb Junior Member

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    2024 Prius
    Model:
    Limited AWD-e
    I personally use B mode in 3-5 mph conditions as in large congested malls etc for A the more aggressive engine braking and B the elimination of the alien cry
     
    #10 artieb, Feb 8, 2024
  11. artieb

    artieb Junior Member

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    is that the reason I cannot load any pictures?
     
    #11 artieb, Feb 8, 2024
  12. bisco

    bisco cookie crumbler

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    Yes. There are some workarounds if you read through the server migration thread
     
    #12 bisco, Feb 8, 2024
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