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speedometer readout in reverse

Discussion in 'Gen 2 Prius Main Forum' started by Rangerdavid, Aug 21, 2006.

  1. Rangerdavid

    Rangerdavid Senior Member

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    I just noticed today that the speedometer gives a readout of your speed when in reverse. I think this is the first car I've ever had that did this. Most of my old cars were alalog, and the needle just stayed on -0- when I was in reverse.... but I noticed today that I was getting a speed readout when I was backing up at the grocery store.

    No real big deal, just another "new" think I noticed about our cars today. It still surprises me :D :D
     
  2. Ichabod

    Ichabod Artist In Residence

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    For the love of God! Look BACKWARD while driving in reverse, not forward or at the dash!!! :lol:
     
  3. furkidsnprius

    furkidsnprius New Member

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    <div class='quotetop'>QUOTE(Rangerdavid @ Aug 21 2006, 08:08 PM) [snapback]307144[/snapback]</div>
    Way cool!!!! I will have to check this out. I do LOTS of reverse driving during Boyscout popcorn selling season. I will have my son tell me how fast I am going while I watch where I am going for those concerned about safety :p
     
  4. Autosmiler

    Autosmiler New Member

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    <div class='quotetop'>QUOTE(Ichabod @ Aug 21 2006, 07:15 PM) [snapback]307148[/snapback]</div>
    I rely totally on the backup camera when reversing, so I NEVER look backward. :rolleyes:

    LoL J/K

    But I'm definately gonna check that out next time when I'm super sure it's completely clear behind me. :)
     
  5. marjam

    marjam Member

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    All the cars I have had with a digital speedometer registered while backing up. You notice it when you swing your head around to look both ways. Never gone over -10MPH, though! :)
     
  6. tumbleweed

    tumbleweed Senior Member

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    But did you know you get negative gas mileage indications while going backward. If you back up far enough you may see minus numbers on the display. Try it and see.
     
  7. marjam

    marjam Member

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    <div class='quotetop'>QUOTE(tumbleweed @ Aug 21 2006, 09:41 PM) [snapback]307214[/snapback]</div>
    Ha! Ha! Good one! :D
     
  8. kirbinster

    kirbinster Member

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    <div class='quotetop'>QUOTE(Ichabod @ Aug 21 2006, 08:15 PM) [snapback]307148[/snapback]</div>

    Why look forward or backwards???? I just set the GPS on maximum detail and drive by watching where it says I am - there is no need to look outside! ;)
     
  9. hobbit

    hobbit Senior Member

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    It works that way because speed is derived from the front ABS wheel
    speed sensors, which simply send pulses with no sense of direction.
    .
    _H*
     
  10. TJandGENESIS

    TJandGENESIS Are We Having Fun Yet?

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    Yeah, that is cool. And, oddly, it does it on the HyCam as well, even though that is not a digital display...
     
  11. Oxo

    Oxo New Member

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    <div class='quotetop'>QUOTE(Rangerdavid @ Aug 21 2006, 07:08 PM) [snapback]307144[/snapback]</div>
    I noticed this months ago but was surprised that it is a positive number. I think it should be negative, with a minus sign in front. OK- you shouldn't look- but it would impress your passenger who can easily see the speedo.