[Biturbos4] How does the 'service in xxxx miles' work ?

Keman keman at interwolf.net
Thu Mar 11 09:41:06 EST 2004

It is a mystery even to me, and I work on the damn things. :P

Just group it in with the calculations which are performed that monitor
outside temperature. There are quite a few equations that determine it,
vehicle speed, etc.

Even more complicated is the "how long you've been driving" timer. Not the
one you can reset. But the one that blinks every 2 hours to remind you to
stretch you rlegs. The one that knows the difference between filling the
tank up and getting a bite to eat, and resets itself accordingly.

On the service interval light- just hold the right gauge cluster switch in
and turn the key to ON, let go and tap the button on the left.

- Keman

> Most of my driving is on the highway with a 60 mile round trip to work and
> back.  My my wife is mostly city driving, and relatively short trips.  I
> assume that's the difference, but has there every been a discussion of how
> the miles to service is computed?
> I searched the AudiWorld archives and found out I'm not alone - some
> have seen the miles to service number go up!  There are also a number of
> suggestions that it's a bug in the software.
> Bill
> 00 S4 6sp
> 01 A4 Avant 1.8tq sport 5sp (wife's car)
> 87 Porsche 928S4 5sp (the 'other' S4)
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