2010 Prius V - three beeps when large cars drive by

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by tdub299, Aug 22, 2020.

  1. tdub299

    tdub299 New Member

    Joined:
    Aug 22, 2020
    1
    0
    0
    Location:
    San Diego
    Vehicle:
    2010 Prius
    Model:
    V
    This is in reference to my 2010 Prius with 105000 miles on it.

    I've been noticing that my Prius will make 3 short beeps when parked and a large car drives by, possibly shaking the car. Same noise that would happen if I try to open the door 2x without the key in my pocket, or if I bang something on the car when parked. This happens quite frequently on my street so I was wondering if this is some type of anti-theft feature that could be turned off. I also had another problem today with the alarm randomly going off for no reason, so those could be related.

    Any thoughts? Help would be much appreciated!

    Thanks.
     
    #1 tdub299, Aug 22, 2020
  2. wr69

    wr69 Member

    Joined:
    Jul 12, 2014
    141
    77
    0
    Location:
    portland, or
    Vehicle:
    2014 Prius
    Model:
    IV
    this sounds bizarre and like a possible failing electrical component being shaken by vibrations. I dont have an exact cause at the moment, but see my write up on the external speaker functionality here. this writeup is for a base prius, which im pretty sure is built very much the same as the V. There are two speakers (buzzers in toyoya-speak) - one inside (by driver left dash) and one outside (by left front wheel well). this writeup is for the outside one. I think the inside one is controlled by the referenced ECU computer however.

    No beep with locking car with fob? | PriusChat
     
    #2 wr69, Sep 11, 2021
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