Some of the world’s biggest automakers should have recalled millions of vehicles with keyless ignitions because the cars, which don’t shut off automatically if the driver fails to press the start/stop button, could be a deadly carbon monoxide risk, according to a new lawsuit. According to the suit, filed in Los Angeles Federal Court on behalf of keyless car drivers Wednesday, there have been at least 13 deaths -- and a number of close calls -- from carbon monoxide poisoning after consumers failed to manually shut off their engines. The suit claims, “Reasonable drivers mistakenly believe that removing the Keyless...