IIRC this vent is the exit channel. It's not connected to the channel
coming from the dash, but to the gap near the hinges.

Rgds, Jaap

> Folks,
>
> While repairing the power window regulator in the passenger side door, I
> found that the lower corner vent had been taped over.  Just blocked off
> under the plastic grille.
>
> Why would a previous owner have done this?  Perhaps this would channel
> more air to the rear vents on both sides in the ceiling?  Or would it
> cause more air flow in the front 2 vents on the sides of the dashboard?
>
> Thanks!
> Roland