Does anyone know how to get access to adjust the flap for the center vents?

I think if I'm able to close those vents it will help a lot.

I don't want to start taking the dash apart unless I know where the flap is.

Thanks everyone!

__________________


'85 Euro 300D - 258k 4 spd manual
'85 300TD Wagon - 180k - SOLD
Always looking