General Motors (GM.N) is to stop making cars in Indonesia, a battleground for global automakers in emerging Southeast Asia, closing an assembly plant, axing some 500 jobs and shifting its branding focus to sport utility vehicles (SUVs). The U.S. auto giant, which was the first to set up a car assembly plant in Southeast Asia’s biggest economy eight decades ago, is effectively calling time on its attempt to wrestle market share from dominant Japanese rivals, led by Toyota Motor .