U.S. prosecutors investigate Hyundai, Kia vehicle recalls - source

SEOUL/WASHINGTON (Reuters) - U.S. prosecutors are investigating if Hyundai Motor and affiliate Kia Motors' vehicle recalls over engine defects were conducted properly, according to a person with knowledge of the matter and documents reviewed by Reuters.The South Korean firms, together the world's No.5 automaker, recalled nearly 1.7 million vehicles in 2015 and 2017 in the United States in one of their biggest recalls in the country, citing an engine failure that increases the risk of a crash...