Where do i find the brake fluid in a 1973 vw van?

I've got a 1973 type II VW van (transporter), and I can't find the brake fluid reservoir on it. Where do I find this? I've heard that it's in the dashboard... WTF?Where do i find the brake fluid in a 1973 vw van?no not in the dash. it should be under the drivers seatWhere do i find the brake fluid in a 1973 vw van?Might be access hole under drivers floormat. Least the older ones were there.