Multiple system atrophy is a complex condition that is likely caused by the interaction of multiple genetic, environmental, and lifestyle factors. Some of these factors have been identified, but many remain unknown.
Mandatory Seatbelts According to the U.S. Department of Transportation, in July 1984, New York State passed the first mandatory seatbelt law in the nation, followed by New Jersey, Illinois, Missouri, Michigan, and New Mexico.
In response to 62sedan. 1966 is the first year seat belts were standard. That along with things like out side mirrors and back -up lights and windshield washers. 1962 was the first year they were available as a factory option (#148)...could be ordered for just the driver or for driver and passenger.