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Disable Touch Tracer Display?

Discussion in 'Gen 3 Prius Audio and Electronics' started by keymusic, Jun 1, 2011.

  1. keymusic

    keymusic Active Member

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    Is it possible to disable the Touch Tracer Display?
     
  2. BrettS

    BrettS Active Member

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    I believe it is... as I recall you need to stop the car, then hit the display button on your steering wheel to cycle the screens through to the "Settings" screen (the "Settings" screen won't come up unless you are stopped). In there I believe there is an option to turn off the Touch Tracer Display.

    This is all from memory, so I could be wrong... but I don't think I am:)
     
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  3. Prius-it

    Prius-it Junior Member

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    What Brett said. I believe its right below "ECO" in setting. "Steering wheel control" or whatnot.
     
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  4. keymusic

    keymusic Active Member

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    Thanks! That worked. It's called "Steering Switch" in the settings. I guess I was expecting it to say "Touch Tracer". I can feel the correct steering wheel switch, and while the Touch Tracer Display looks cool, it's actually pretty distracting.
     
  5. MSF1344

    MSF1344 Junior Member

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    Hi , My car is 2013 and it has not got this feature , when I touched my steering control nothing appear in the screen . anybody knows how to able this feature ?
     
  6. ChapmanF

    ChapmanF Senior Member

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    That would depend on whether you have a model with the feature and it is simply turned off (see posts 2, 3, and 4 in this thread for how to turn it on), or your car was built without the feature.

    They used different technology for the steering wheel signals for with and without the feature. The spiral ribbon cable on the steering column only has enough traces in it to carry the regular wheel button signals (some of them combined by using the same circuit but different resistances).

    For adding the touch-tracer feature, with a bunch more sensors just to know which button your finger is touching, they abandoned the idea of just using the available spiral cable circuits for dumb switch contacts. They built a small microcontroller chip in with the steering wheel switches, redesignated two of the spiral cable wires to carry power and ground for the microcontroller, and used the remaining spiral cable circuits to carry a communication protocol where the microcontroller encodes what switches are pushed, and the receiver at the combination meter decodes it. So that part is also different.

    So, maybe prohibitively fussy to add, if the car didn't come with it.

    Anyway, I hear that while it looks cool, it's actually pretty distracting.
     
  7. Mendel Leisk

    Mendel Leisk Senior Member

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    Huh, managed to do it. It's all done with the Display button: press to cycle through the options, press-and-hold to select. I tried using the up and down arrows at first, they don't work.

    And agree: I noticed the touch tracer display a few weeks ago, was thinking I never really use it.

    Thanks all, for the info.
     
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  8. Tideland Prius

    Tideland Prius Moderator of the North
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    There's a settings menu to toggle on/off the Touch Tracer display.
     
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  9. Mendel Leisk

    Mendel Leisk Senior Member

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    Maybe the steering wheel button method only works (and is needed) if you don't have a screen menu? That's my case, with 2010 (CDN) Touring model.
     
  10. Tideland Prius

    Tideland Prius Moderator of the North
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    The settings is done through the MID, not the MFD.