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weird prius issues

Discussion in 'Gen 4 Prius Main Forum' started by antdroid, Mar 17, 2021.

  1. antdroid

    antdroid New Member

    Joined:
    Mar 17, 2021
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    Location:
    NC
    Vehicle:
    2020 Prius
    Model:
    N/A
    Something super strange has been happening with my car recently.

    The first thing I've noticed is that there is a button with a light near the TRAC control, that blinks red when the car is off. I've scoured the internet and the owners manual and can't find a single thing about it, or what it does. Pressing it does nothing when the car is on, and no message is displayed.

    Maybe related to that, I'm not sure, but has anyone had any issue where the car panic alarm randomly goes off? I live in an apartment complex with thin walls and will randomly hear something go off, and will notice the panic alarm is going off with my keys sitting on my table or on a hook. I can shut off the alarm but randomly comes on again while I'm walking away. My neighbors probably are pretty mad. Anyone know some causes of this? I'm going crazy trying to figure this out. Thanks in advance!

    Uploading a picture of that button. Edit this is a 2020 prius
    Edit again when I turn on the car, the car has three short honks like a chirp
     

    Attached Files:

    #1 antdroid, Mar 17, 2021
    Last edited: Mar 17, 2021
  2. bisco

    bisco cookie crumbler

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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    i don't see the blinking red. on previous generations, the blinking red is anti theft, but it's not a button.

    might you have a dealer installed anti theft device you are unaware of?

    another cause in the past is a bad key fob button
     
    #2 bisco, Mar 17, 2021
  3. alanclarkeau

    alanclarkeau Senior Member

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    Location:
    near Brisbane, Australia
    Vehicle:
    2016 Prius
    Model:
    N/A
    Read the Owner's Manual - I suspect it won't mention it - meaning that it wasn't something TOYOTA put there. (It's not on my car, but mine is Australian Spec & RHD.)
     
    #3 alanclarkeau, Mar 18, 2021
  4. Pulse07

    Pulse07 Active Member

    Joined:
    Feb 24, 2020
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    Location:
    East Bay, California
    Vehicle:
    2020 Prius
    Model:
    XLE AWD-e
    The button looks aftermarket alarm. My 2020 XLE AwDe does not have that button.
     
    #4 Pulse07, Mar 18, 2021
    FuelMiser likes this.
  5. Prius7Prime

    Prius7Prime Junior Member

    Joined:
    Dec 6, 2017
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    Location:
    Long Beach
    Vehicle:
    2012 Prius Alpha
    Model:
    Prime Advanced
    could be bad key fob or bad battery too. i have heard batteries dying can cause it
     
    #5 Prius7Prime, Mar 18, 2021
  6. sam spade 2

    sam spade 2 Senior Member

    Joined:
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    Location:
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    Vehicle:
    2017 Prius c
    Model:
    Four
    Who did you get the car FROM ?
    You need to see them about the after-market alarm that has been added.
    The button you refer to is NOT stock.
     
    #6 sam spade 2, Mar 18, 2021
    amos likes this.
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