FILE - In this Sunday, Jan. 8, 2012, file photo, the 2013 Cadillac ATS is unveiled prior to the North American International Auto Show in Detroit. Seven midsize vehicles earned the top rating in a

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FILE - In this Sunday, Jan. 8, 2012, file photo, the 2013 Cadillac ATS is unveiled prior to the North American International Auto Show in Detroit. Seven midsize vehicles earned the top rating in a new insurance industry test of high-tech safety features designed to prevent front-end collisions, including the Cadillac ATS. (AP Photo/Paul Sancya) less 

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Associated Press
Sat, Sep 28, 2013 4:57 AM EDT