DETROIT, UNITED STATES: General Motor Corp. Cadillac division shows off the Cien concept vehicle at the North American International Auto Show at Cobo Hall in Detroit on 06 January 2002. Cien is Spanish for one hundred and is using the vehicle to help usher in Cadillac 100th aniversary in 2002. AFP Photo/Jeff KOWALSKY (Photo credit should read JEFF KOWALSKY/AFP via Getty Images)
