Hi i have a audi a3 its a p reg and the problem with it is when i turn it on the ABS light comes on and stays on and i can not use any lights,indicators,heaters,window wipers. i have to switch the car on and off several times for the light to go off and the lights etc to work.

it did not happen all the time but recently it started to happen alot.
can anyone please help me with this situation.

thanks

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audi a3