Audi AG , the German luxury car maker, has issued a world-wide recall of 850,000 Audi A4 sedans, urging their owners to bring their cars in to repair a defective air bag, a company spokesman said Thursday. The move makes the Volkswagen AG subsidiary the latest global auto maker to launch a recall. Audi said the problem with its air bags isn’t related to the global recall of millions of cars containing defective air bags manufactured by the Japanese company Takata Corp. The problem with Audi’s air bags is related to a software glitch that can prevent the air bag from opening in a collision, the company said. “We are looking into a number of accidents to see if the air bag was involved,” an Audi spokesman said, adding that the Ingolstadt, Germany-based company knows of no injuries or deaths related to the air bag problem. Read more http://online.wsj.com/articles/audi-recalls-850-000-a4s-for-air-bag-fix-1414071876