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Beep when door is opened?

Discussion in 'Gen 3 Prius Main Forum' started by nklb, Apr 17, 2013.

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  1. nklb

    nklb Member

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    2012 Prius liftback 3 with solar roof

    I'm pretty sure this is new behavior the past week or so. Whenever I open the door, whether finishing a drive or entering the car from outside, the car beeps once as if it is trying to get my attention for something. This happens when the car is off (I always press the power button before opening the door)

    I do not see any warning lights or anything obviously wrong; what is the significance of this beep?
     
    #1 nklb, Apr 17, 2013
  2. css28

    css28 Senior Member

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    Is your sunroof open?
     
    #2 css28, Apr 17, 2013
  3. nklb

    nklb Member

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    No, the sunroof is closed (I even pressed the close button again to make sure it wasn't ajar)
     
    #3 nklb, Apr 17, 2013
  4. kithmo

    kithmo Couch Potato

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    Is there another keyfob in the car ?
     
    #4 kithmo, Apr 17, 2013
  5. andreyco

    andreyco Member

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    Beep inside the car or outside the car?
     
    #5 andreyco, Apr 17, 2013
  6. retired4999

    retired4999 Prius driver since 2005

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    Check hatch back door.
     
    #6 retired4999, Apr 17, 2013
  7. Eclipse1701d

    Eclipse1701d Prius Enthusiast

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    The beep is to warn you that the battery in your FOB is low. You may have inadvertantly had it engaged at some point and ran the battery down. Put that FOB far away from your car and switch to the other FOB and see if the beep stops...
     
    #7 Eclipse1701d, Apr 17, 2013
    retired4999 and andreyco like this.
  8. nklb

    nklb Member

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    No other FOB in the car; rear hatch is closed.

    I'll investigate the possibility of the low battery when I get home from work today and report back. That would be annoying if so, as the car is brand new from October!
     
    #8 nklb, Apr 17, 2013
  9. nklb

    nklb Member

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    The car still beeps even with the other FOB (which has been unused sitting on a shelf since the car was taken home from the dealership)

    The beep is on the inside, and happens within a second of the door being opened.
     
    #9 nklb, Apr 17, 2013
  10. Eclipse1701d

    Eclipse1701d Prius Enthusiast

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    I'm at a loss. That is the only reason I am aware of that the car will beep at you without displaying any other alerts... I am a very curious person and I find this quite vexing!

    However unlikely, due to the age of your vehicle, have you checked the 12volt to determine if it may be failing, prematurely?
     
    #10 Eclipse1701d, Apr 17, 2013
  11. andreyco

    andreyco Member

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    Everything I'm finding points to the moonroof being open (even slightly). Try opening and closing fully.
     
    #11 andreyco, Apr 17, 2013
  12. p00kienrayray

    p00kienrayray Active Member

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    It may be the sunroof. I had a 2012 Two and never heard that beep. Now that I have a Three w/sunroof, I've noticed it a couple times.
     
    #12 p00kienrayray, Apr 17, 2013
  13. p00kienrayray

    p00kienrayray Active Member

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    It's the sunroof. Just tested it now.
     
    #13 p00kienrayray, Apr 17, 2013
  14. nklb

    nklb Member

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    Okay, indeed it seems it was the sunroof. I opened it and then closed it again, and now the beeping has stopped.

    The sunroof was definitely closed though, I had even pressed the close button and it didn't close further, and drove through some pretty intense storms today without any leaks.

    Any idea why the car would think the roof was open when it clearly was not?
     
    #14 nklb, Apr 17, 2013
  15. andreyco

    andreyco Member

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    Glad you got rid of the beep! As for why it wasn't sensing the sunroof being open...it happens! Electronics doesn't always behave the way we expect them to. The sensor that determines whether the roof is open or not may have malfunctioned, or it may be dirty. If you continue to experience the same problem in the future it's worth a trip to the dealer to try to get it taken care of while you're still under warranty.
     
    #15 andreyco, Apr 18, 2013
  16. Eclipse1701d

    Eclipse1701d Prius Enthusiast

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    Glad to hear you discovered the source! Now, we know of two reasons for the beep.
     
    #16 Eclipse1701d, Apr 18, 2013
  17. kithmo

    kithmo Couch Potato

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    What we need now is to get Toyota to convert these beeps to speech, E.g. "Sunroof open", "Door open", "Key in car" etc. it's not new technology, some vehicles already have this .
     
    #17 kithmo, Apr 19, 2013
  18. Eclipse1701d

    Eclipse1701d Prius Enthusiast

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    Like my '87 LeBaron use to say, "You're door is ajar!" I guess they lost the technology from ancient times...
     
    #18 Eclipse1701d, Apr 20, 2013
  19. retired4999

    retired4999 Prius driver since 2005

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    But mine is a door not a jar?
     
    #19 retired4999, Apr 20, 2013
  20. css28

    css28 Senior Member

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    The buying public found the spoken warnings to be annoying beyond belief.
    If anyone had liked them they would have stayed.
     
    #20 css28, Apr 20, 2013
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