A headlight on the 2014 Acura RLX is shown at media previews for the North American International Auto Show in Detroit, Tuesday, Jan. 15, 2013. (AP Photo/Paul Sancya)

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A headlight on the 2014 Acura RLX is shown at media previews for the North American International Auto Show in Detroit, Tuesday, Jan. 15, 2013. (AP Photo/Paul Sancya) less