There will be job cuts at General Motors Orion Assembly Plant. The Detroit News is reporting that the car maker will adjust production and will lay off another 100 workers at the plant starting next month. The subcompact Chevrolet Sonic and small Buick Verano are built at the plant. In November GM said it would lay off 160 employees at Orion through the end of 2015. A spokesman confirmed the layoffs announced Friday are in addition to the layoffs announced in November.