The main thing I remember about it was my surprise when my dad, who was a pretty straight arrow, had a mechanic disable the interlock immediately after buying a new car. It interfered with my toddler … July 28, 2013 at 8:07 am. Reagan was such a weird way to end the 70s. …. At that point it was still unusual for anyone to use a seat belt in the back, and I think shoulder belts in the rear seats were just starting to appear in a few imported cars. At some point there was