Push button dash

Nope. That's a fairly common guess, but not a correct one. There were no Federal regulations on automobiles in the United States until 1/1/68. In 1965, there was no Federal agency with the authority to issue any such regulations, nor was there any legal framework for them in place.

My mistake, I read that several years ago from what I thought was a reputable source (don't recall who anymore). It's quite odd that VW also stopped producing the push button automatics the exact same year.

Wasn't it also right around the same time the P N D L R set ups were eliminated and R was placed next to P to further save stupid people from themselves?