Six years later the government has finally caught up to Ralph Nader. In 1965 Nader wrote "Unsafe at Any Speed, " a spectacular description of how unsafe the Corvair car made by General Motors was. The Corvair was discontinued in 1969, but it took the government untü just this week to do anything about the car. This week the government urged all owners of 1965 Corvairs to take their car in to mehanics to make sure exhaust fumes are not getüng into the passanger compartment through the heater vents. The California State Automobile Associaüon, earlier this week, thought the problem was more serious than the government did and offered to test the 1961 through 1969 Corvairs for the dangerous fumes for free.