OASDI stands for old age, survivor and disability insurance, which is more commonly referred to as Social Security. To pay for these programs, the federal government imposes a tax on earned income that must be withheld by your employer.
According to the December 1985 issue of Popular Mechanics, the Protex Safety Signal Company introduced flashing turn signals in 1920. The first modern turn signal, though, can be attributed to Edgar A. Walz, Jr. who, in 1925, secured a patent for one and tried to market it to major car manufacturers. They just weren't interested, and the patent expired fourteen years later. Meanwhile drivers and inventors kept working on other solutions.
What year did they first put computers in cars? What year automakers start putting computer controllers in cars? What kind of cars first have engine control unit (ECU) in automobile world? When the first gasoline-powered car introduced by Karl Benz in 1886, everything is dynamically controlled by mechanical and no computers were involved in any cars.