Little bubble thing on dashboard just below the windsheild
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2008-2013 Cadillac CTS General Discussion Discussion, Little bubble thing on dashboard just below the windsheild in Cadillac CTS Second Generation Forum - 2008-2013; My CTS coupe has a little round thing. My Camaro had the same thing but it use to make a ...
  1. #1
    Blocky is offline Cadillac Owners Member
    Automobile(s): CTS Coupe
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    Little bubble thing on dashboard just below the windsheild

    My CTS coupe has a little round thing. My Camaro had the same thing but it use to make a red flash. It does not do anything in my CTS. If anyone knows what I'm talking about....would you be able to tell me if yours flashes or if it doesn't do anything either. Thanks all!

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  3. #2
    gohawks63's Avatar
    gohawks63 is offline Cadillac Owners Connoisseur
    Automobile(s): 2012 Black Diamond CTS-V Coupe, 2011 BMW X5 Premium
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    Quote Originally Posted by Blocky
    My CTS coupe has a little round thing. My Camaro had the same thing but it use to make a red flash. It does not do anything in my CTS. If anyone knows what I'm talking about....would you be able to tell me if yours flashes or if it doesn't do anything either. Thanks all!
    I believe that is the ambient light sensor(for the headlights).

  4. #3
    like2drive's Avatar
    like2drive is offline Cadillac Owners Fanatic
    Automobile(s): 09 CTS RWD 3.6L SFI Black Cherry / Cashmere
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    Re: Little bubble thing on dashboard just below the windsheild

    Mine does not flash either.
    It's a the light and solar sensor. Together with the interior temperature sensor located to the right of the steering wheel, the solar sensor sends information to the climate control system and the latter adjusts the fan speed and the air delivery to maintain the selected temperature. The system may also supply cooler air to the side of the vehicle facing the sun.

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