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beep at shutdown

Discussion in 'Gen 2 Prius Technical Discussion' started by taggart, Oct 15, 2009.

  1. taggart

    taggart Member

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    It's possible this is just something I haven't noticed until now. 2008 touring. Normal startup and driven to work. At work, I back the car into a parking space and follow the following sequence:

    1. Foot still on the brake.
    2. Hit park button
    3. Turn off a/c, radio and headlights if on
    4. Hit power button to turn vehicle off

    Vehicle turns off and I get a 1 second beep with no visible idiot lights displayed. Although I am not sure, I don't believe the beep occurs every time. Any ideas?
     
    #1 taggart, Oct 15, 2009
  2. paprius4030

    paprius4030 My first Prius

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    I believe the car beeps once if the remote is not detected(maybe the car wants to say goodluck starting again buddy LOL), so maybe sometimes something is hiding the remote signal when you turn off the car, but I could be all wrong.....
     
    #2 paprius4030, Oct 15, 2009
  3. firepa63

    firepa63 Former Prius Owner

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    A beep at shutdown is usually an indication of the fob battery getting weak and in need of replacement. Try using your spare fob and see if you still get the beep. If no beep, replace the fob battery.
     
    #3 firepa63, Oct 15, 2009
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  4. Paul R. Haller

    Paul R. Haller Member

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    I keep my keys, fob, and phone in the same pocket. I have noticed that if the phone covers the fob in my pocket, the car doesn't see my fob. Often the car allows entry but once inside I can't start the car because the car doesn't see the fob. I have to remove the phone to get the car to start. Conversely I often can not lock the car after exiting sometimes. Again I have to move either the phone or the fob.

    Anyone else have this problem and could this be happening?
    -Paul R. Haller-
     
    #4 Paul R. Haller, Oct 15, 2009
  5. taggart

    taggart Member

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    Thanks for the replies. I am betting all of you are correct. I will use the other fob for a while and replace the battery in the current one. I have to be careful, however, that both of them are not drained. That would drive me nuts!
     
    #5 taggart, Oct 15, 2009
  6. Rae Vynn

    Rae Vynn Artist In Residence

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    I'd also think about checking the 12v battery. Isn't phantom beeps one of the signals that it's getting low?
     
    #6 Rae Vynn, Oct 15, 2009
  7. efusco

    efusco Moderator Emeritus
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    This is the correct answer.
     
    #7 efusco, Oct 15, 2009
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  8. paprius4030

    paprius4030 My first Prius

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    Good point!!
     
    #8 paprius4030, Oct 15, 2009
  9. richard schumacher

    richard schumacher shortbus driver

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    Yes, other devices or conductive stuff (keys, coins) in the same pocket can interfere with the fob.

    Easy fob battery test: press any button on the fob. You do not have to be near the car. A small red LED should flash. If not then the fob battery is dying.
     
    #9 richard schumacher, Oct 15, 2009
  10. qbee42

    qbee42 My other car is a boat

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    Keeping your fob and phone in the same pocket is a good way to run down the fob battery. The radiated energy from a cell phone can cause the fob to respond repeatedly, wearing down the fob battery.

    Tom
     
    #10 qbee42, Oct 15, 2009
  11. Jim Porta

    Jim Porta Junior Member

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    I had this problem and didn't try the spare fob. I went to target and bought a 2 pack of cr2032 batterys and replaced them in both fobs. Fixed the problem. Both old batteries read just under 2.8 volts. The new ones were 3.2volts. :)
     
    #11 Jim Porta, Nov 7, 2010
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