ALWAYS check the vanagon.com pages or the archives:
http://www.vanagon.com/info/articles/owners-manual/vent-
controls.html  EVERYTHING about our vans has been discussed 10
times by experts and idiots alike.  malcolm

On 29 Jan 2002 at 13:11, Brady Ferguson wrote:

> I feel rather stupid, but I've had my vanagon now for 4
> months, and I'm still pretty perplexed to the ventilation
> controls and how to work them.  I have a 1987 Vanagon GL,
> with AC.  There's two knobs on the ceiling with a set of
> vents and the system goes down the center to the back, I
> assume that's the A/C since it has the little snowflake on
> one of the knobs.
>
> The controls on the dash are what confuse me....  there's
> four levers, two knobs (fan control), and that's about all I
> can decipher.  Anyone have "ventilation 101" FAQ or
> anything????
>
> Thanks
> Brady