Had the same problem with my 00 A4, it was the main battery that was on
> its way out, it eventually died on me and i replaced the battery, and that
> also sorted the 4 beeps that i was getting, HTH.
>
>> Any ideas why my A4 has just started beeping four times from somewhere in
>> the rear of the car? Seems to happen just after startup, and mainly on
>> very cold days.
>>
>>
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