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Thread: 'Black box' next to rear vision mirror?

  1. #1
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    'Black box' next to rear vision mirror?

    What is the black box next to rear vision mirror? Someone has advised that it is a 'humidity sensor'. Is this the case, and if so, what does it do?
    MY23 D300 SE Silicon Silver
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  2. #2
    Tombie Guest
    Auto dimming headlights.

  3. #3
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    Quote Originally Posted by Tombie View Post
    Auto dimming headlights.
    Umm, you mean high beam dimming when oncoming vehicle approaches? Must need to be activated or is fitted as an option as I do not have Auto Dimming lights.

    This is a poor photo of what I am looking at.

    Windscreen Black Box.jpg
    MY23 D300 SE Silicon Silver
    2014 MY15 D4 3.0 SDV6 HSE (Sold)
    Complete Campsites Exodus 14 Camper Trailer
    2015 Triumph Tiger XRT

  4. #4
    LRD414's Avatar
    LRD414 is offline Super Moderator Subscriber
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    It's an option and nothing's under the cover if option not fitted.
    However, I know someone who does have the auto dipping lights and nothing under that cover.
    So the sensor must have moved at some stage in later models.

    Scott

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    Interesting. There’s a massive thread on D3 uk regarding heating where they discuss the addition is a humidity sensor that’s supposedly found in there however not sure that’s fact.
    2010 TDV6 3.0L Discovery 4 HSE
    2007 Audi RS4 (B7)

  6. #6
    Tombie Guest
    Quote Originally Posted by LRD414 View Post
    It's an option and nothing's under the cover if option not fitted.
    However, I know someone who does have the auto dipping lights and nothing under that cover.
    So the sensor must have moved at some stage in later models.

    Scott
    My MY10 didn’t get the box..

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    I thought it was the rain sensing wipers? My 2014 model has it. If its not for the wipers where is that sensor?
    Mike

    MY14 TDV6, ARB Bar, Fyrlyt's, 18" Compomotove Rims. 265/60/18 BFG KO2's, Front Runner roof rack, removable rear false floor.

  8. #8
    Tombie Guest
    Quote Originally Posted by Mike57 View Post
    I thought it was the rain sensing wipers? My 2014 model has it. If its not for the wipers where is that sensor?
    Behind the mirror mount itself, through the glass.

  9. #9
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    Pretty certain its the humidity sensor as previously mentioned. My MY10 doesn't have it either.

    Lrcat

    Won't be the headlight sensor, as the part of the windshield shown in the picture is blacked out.
    2010 TDV6 3.0L Discovery 4 SE remapped to RRS output, Alaska White, GME XRS-330c, IIDTool BT, Dual Battery, Apple CarPlay, OEM Retrofitted: Cornering lights, Door card lights, Power + Heated Seats, Logic 7 audio

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