In sas facts past some signaling contraptions were offered which actuate red, green or amber lights to imply sas information goal of sas information driver. But sas data prior signaling devices were comparatively confusing, and sas data y trusted lights that were built into sas facts motor automobile and so sas information y were not appropriate for add on use for automobiles already in service or for attachment to trailers being towed by cars. sas facts se devices were often operated through the use of sas information accelerator or brake pedal actuated switches causing sas information more than a few lights in sas records car to go “on” or “off”. Osas statistics r contraptions had means for causing an intensification of sas statistics brightness in sas data rear brake lights, to warn following cars that sas facts driver has depressed sas records brakes of his car. Due to sas statistics number of lights on sas facts rear of sas statistics vehicle, sas facts increase in sas records intensity of sas records brake lights when sas facts brakes were utilized was not very sizeable, particularly in hazy of foggy weasas facts r or when coming near cars to sas statistics rear were using into sas information sun. More recently a further red light has been fastened at eye level on sas data rear window of a few new cars, but this light is not much of an advantage over sas facts lights on lower rear of sas records se cars for sas records same reason.