[Biturbos4] B5 nav reset?

[Ti Kan]

Rich Shiba writes:
> Anyone know how to reset the factory Audi Nav unit?  Mine kinda quit
> responding to the "Nav" button (i.e. it won't activate anymore).
> My first lame reaction was to power cycle the thing, but i can't
> figure out if there's a way to do that short of removing it and
> pulling the wiring harness out of it.  Any thoughts?  It's pretty
> much not responding to anything -- hitting the eject button on the
> front panel doesn't illicit any response...

Maybe try to locate which fuse on the fuse panel controls the Nav
unit and pulling it?  If that doesn't reset it, then try to see
if VAG-COM can "talk" to it over the diagnostic port.  If not, then
the unit is probably toast.

-Ti
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