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  1. #1
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    Start up brake warning light

    Two weeks ago I switched from B5 1.8 petrol to 2003 B6 2.5 quattro diesel but no owner's manual (yet). Is it normal for the brake fluid warning light and bell to flash/sound 3 times on start up? The parking brake light also flashes 3 times. All brake pads are new and sensors connected. Fluid reservoir is full. If not, what could be the problem? Reservoir, sensor has been suggested. I've booked in at a local specialist next week for a check. It does not always do this when hot but everytime on cold starting. Nothing shows when driving. Any ideas anyone? Also are there two DIS systems? If not, what does this number mean in the display? Hope to get a manual soon but they seem very rare.

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  3. #2
    technics100's Avatar
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    Are you sure the reservoir has enough fluid in it? Mine did it a few times when cold, maybe because its contracted in volume.. Also if your DIS has a 1 in the top right corner then hitting the reset button at the bottom will flick it to 2 which is long term trip, it will record the mpg, etc until reset (holding down reset button).. 1 in DIS is single journey trip.. hope that helps


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  4. #3
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    fluid is halfway up the neck and shows almost on max mark .float appears to be at the top too. is it a sealed system cos adding fluid seems to need opening the screw plug on top to let air out .i assumethat if the level was too low the warning would come on whilst driving/braking but it never does.thanks for the dis info i will have a go

  5. #4
    jwhat's Avatar
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    This has happened to me a few times to me as well. (only in the cold though) Its due to an electrical spike when starting the car and it means your battery is on the way out.

  6. #5
    quattrojames's Avatar
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    Quote Originally Posted by technics100 View Post
    Also if your DIS has a 1 in the top right corner then hitting the reset button at the bottom will flick it to 2 which is long term trip, it will record the mpg, etc until reset (holding down reset button).. 1 in DIS is single journey trip.. hope that helps
    If you stop the car for 2 hours or more setting 1 will automatically reset, whereas setting is a permanent cumulative total.
    Ingolstance Read about my A6 HERE.

 

 

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