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    VWVortex


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    Thread: Anyone with a service manual?

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    1. Member artronics's Avatar
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      04-11-2012 03:40 PM #1
      Does anyone know what's that small pyramid on top of the dashboard, in the middle, by the window? It's a shallow piece, about 1 inch square, black plastic. Looks like a sensor or something...
      Thank you.

    2. Member TIGSEL's Avatar
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      2012 Tiguan SEL 4Motion, 2012 Touareg Hybrid
      04-11-2012 05:17 PM #2
      Quote Originally Posted by artronics View Post
      Does anyone know what's that small pyramid on top of the dashboard, in the middle, by the window? It's a shallow piece, about 1 inch square, black plastic. Looks like a sensor or something...
      Thank you.
      Without pisc I'd assume you're talking about headlight sensor.
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    3. Junior Member
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      2014 Tiguan Highline R-Line, Tech Package. Deep Black Pearl
      04-11-2012 05:49 PM #3
      I did some more digging, the auto headlights are indeed controlled by the RLS attached to the back of the rear view mirror, The little hump in the dash near the windshield is a light intensity sensor for Climatronic HVAC. It's purpose is to control a temperature flap and the fresh air blower depending on light intensity. The instrument console lighting is controlled by yet another, separate sensor in the cluster.


      Copied from SHAWNG in this forum

    4. Member artronics's Avatar
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      2012 Tiguan Comfortline 2.0 TSI 4Motion
      04-11-2012 09:03 PM #4
      I should have mentioned I have an SE with a 'stupid' mirror - no electrical on it. And the A/C is manual, no Climatronic. Could this be just a dumb cover? You can see it in the middle, behind the tray recess, right under the glass, it's a wee plastic protrusion. Here -v

    5. Member
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      2012 Tiguan SEL
      04-11-2012 09:14 PM #5
      That's a great looking interior...

    6. Member Techvet's Avatar
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      2012 Tiguan 4 Motion SEL w/Prem Nav/Dynaudio Pepper Grey/Beige
      04-11-2012 10:12 PM #6
      I remember reading about this earlier. It is a light sensor, just not the one for the auto headlights. I think it is for the dash lights as well as for the HVAC system. I admit it seems sort of wierd to have two sensors that in essence do the same job, but apparently that is the set-up.

    7. Member D-Caf's Avatar
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      04-11-2012 10:14 PM #7
      I've always wondered what that was too. Sits there right at the bottom of the windshield in the middle where the windshield interior meets the dash edge.

      Mine is an SE, and I've seen them in the SEL, not sure about the S models, but believe they have it as well.
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