AP Photo/Paul Sancya
Dr. Dieter Zetsche, Chairman of the Board of Management of Daimler AG and head of Mercedes-Benz Cars and actress Kim Cattrall speak at the North American International Auto Show Sunday, Jan. 13, 2008, in Detroit.
AP Photo/Paul Sancya
Recording artist Bryan Adams performs next to Audi TTS at the North American International Auto Show Sunday, Jan. 13, 2008, in Detroit. More than 50 concept cars and production vehicles will make their worldwide or North American debut at the annual show.
AP Photo/Gary Malerba
Recording artist Toby Keith, left, and Mark Fields, president of Ford Motor Company of Americas, introduce the 2009 Ford F-150 at the North American International Auto Show Saturday, Jan. 12, 2008, in Detroit.
AP Photo/Paul Sancya
Recording artist Kid Rock performs at GM Style event Saturday, Jan. 12, 2008, in Detroit. Rock was joined by Grammy-winning R&B songstress Mary J. Blige and pop hitmakers Maroon 5, but the cars were the stars of this show.
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Kid Rock performs as the 2009 Chevrolet Corvette ZR1 is introduced at GM Style event Saturday, Jan. 12, 2008, in Detroit.
AP Photo/Paul Sancya
Recording artist Mary J. Blige performs in front of a 1953 Chevrolet Corvette at GM Style event Saturday, Jan. 12, 2008, in Detroit.
AP Photo/Paul Sancya
Recording artist Mary J. Blige performs at GM Style event Saturday, Jan. 12, 2008, in Detroit.
AP Photo/Paul Sancya
Maroon 5 performs at GM Style event Saturday, Jan. 12, 2008, in Detroit.
AP Photo/Carlos Osorio
Maroon 5's Jesse Carmichael, left, lead vocalist Adam Levine, right, talk to the media at GM Style event Saturday, Jan. 12, 2008, in Detroit. "When they asked us to play this, they said: 'There will be hot girls and cars,' and we said "Yes!" said Levine.
AP Photo/Paul Sancya
NASCAR driver Jeff Gordon dances to the performance by Kid Rock at GM Style event Saturday, Jan. 12, 2008, in Detroit.
AP Photo/Gary Malerba
Actress Kim Cattrall was on hand during the unveiling of the new Mercedes Vision GLK concept vehicles at the Museum of Contemporary Art Detroit on the eve of the North American International Auto Show in Detroit, Saturday, Jan. 12, 2008. The Freeside compact SUV will be driven by Cattrall's sex-obsessed character, Samantha Jones, in the upcoming "Sex and the City" movie, which is expected in theaters on May 30.