Posted on Monday, April 16, 2012 at 11:00 am CDT
The third lights are also known as the "center high mounted stop lamp" or the "eye-level brake lights". These were introduces in the Unites States in the year 1986 and ever since it has been used extensively. It was made mandatory in the same year throughout the United States. They remain in vogue even today even though after so many years of existence.
Source: Supreme Werks