Carefully remove the vent from the dash.

Pull the vent all the way pointing up.

Using a small screw driver carefully pry the vent out of the
assembly.


Looking at your vent front back sideways.


Take a piece of thin closed cell foam or self sticky smooth velcro cut some small strips.
Stick a large piece to the side of the vent frame.


Pry out the "top" vent bar.

Attach small pieces of foam to the leading edge of the bar, and re-insert
being sure that you get the foam under the fingers...


Place back in to the assembly.
