Audi A4 Master Cylinder Reservoir

Hi I Wonder That Some One Can Help Me Urgently , Yesterday I Putted Some Dot4 In My Audi Reservoir ...... I Did 2 Mistakes , 1. I Filled The...

I Was Draining The Fluid Out Of My Brake Fluid Reservoir, And Half Is Inaccessible. It Has A Baffle. Does It Drain? How To You Drain And...