A precursor surely to today's video backup monitor, the Back-Alert would sound whenever a car was put into reverse. A buzzing sound alerted pedestrians and other motorists outside of the car to stay clear of the car's path. [1966]
A precursor surely to today's video backup monitor, the Back-Alert would sound whenever a car was put into reverse. A buzzing sound alerted pedestrians and other motorists outside of the car to stay clear of the car's path. [1966]
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