UPDATE 1-Researcher says can hack GM's OnStar app, open vehicle, start engine
July 30, 2015 at 17:40 PM EDT
BOSTON/DETROIT, July 30 (Reuters) - A researcher is advising drivers not to use a mobile app for General Motors Co's OnStar vehicle communications system, saying hackers can exploit a security flaw in the product to unlock cars and start engines remotely.
