dash light (!) on start up?

a3 1.8t

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Happening a few times now, soon as i start the times this light comes on (!) in red followed by 3 beeps then goes stright off.. Anyone got any ideas? Everything under the bonnet appears to be okay fluids ect..
 
That's a serious fault in the brake system. Best get it on VCDS for a scan and up on a ramp to have a look at the brake lines etc.

audidashsymbols.jpg
 
Get your battery tested. I had this on my 3.2 and it was my battery might not be the case here but it's a starting point.
 
i had this but i had the abs light and traction control light also, basicaly the abs unit was not talking to the ecu so the two are turned off, it was just a brake in the wire in the loom in the engine bay, i did take it to audi tho to fix as i still had warranty, cost an hours labor of 100 quid then claimed it back,
 
you could try cleaning the plug on the abs unit? could just be a dry or corrodid conection. making it a intermittent prob
 
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