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padded dash boards 1956
first added in 1956 padded dash boards -
safety-styled steering wheel
safety-styled steering wheel with a recessed hub -
seat belts and shoulder harnesses
seat belts(also first in 1956) and shoulder harnesses -
crash proof door locks
In 1957, Chevrolet started to add safety features such as "crash proof door locks -
Safety glider
The 1958 Bel Air featured Chevrolet's new "Safety-Girder" cruciform frame.