when did the third brake light become law
1986
-1
Section::::Conspicuity, signal and identification lights.:Rear.:Stop lamps (brake lights).:Centre high mount stop lamp (CHMSL).

Automotive lighting
2357908
14504197038212533909
NONE
Section::::Conspicuity, signal and identification lights.:Rear.:Stop lamps (brake lights).:Centre high mount stop lamp (CHMSL).

Automotive lighting
2357908