FILE - This Feb. 16, 2012 file photo shows a 2012 Jeep Grand Cherokee on display at the 2012 Pittsburgh Auto Show. A government agency is investigating safety problems with two vehicles made by ... more 
FILE - This Feb. 16, 2012 file photo shows a 2012 Jeep Grand Cherokee on display at the 2012 Pittsburgh Auto Show. A government agency is investigating safety problems with two vehicles made by Chrysler, the Ram pickup truck and Jeep Grand Cherokee SUV. The rear wheels can lock up in Rams from the 2009 and 2010 model years, potentially causing crashes, while power steering fluid hoses can leak in 2012 Grand Cherokees, possibly causing engine fires, according to documents posted Monday, July 23, 2012, on the National Highway Traffic Safety Administration website. (AP Photo/Gene J. Puskar, file) less 
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Associated Press | Photo By Gene J. Puskar, file
Mon, Jul 23, 2012 10:51 AM EDT