On Fri, 1 Nov 2002, John Runberg wrote:

> The needle needs to be OVER the led!? On my 2.1 the low speed fan kicks
> on as the needle comes close the the LED. I've never seen it rise above
> it. Where _should_ the needle be?

My impression is that the top of that little box hollow box marked on the
gauge is the point where the thermostat opens...at least, that seems to be
the case on my van.  But apparently VW had several variations on their
temp sensor, so any calibration is purely an illusion. :P

             _ _
  __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
 / _` | | | | | |  +-----------------------------------------------------
| (_| | |_| | | | @ cyberspace.org
 \__, |\__,_|_|_| "Only the government would call one half cup a
 |___/             reasonable serving of ice cream." -- Consumer Reports