General Motors Co. is moving its headquarters — again.

Thirty years after decamping from its historic home on West Grand Boulevard for the Renaissance Center on the river, the Detroit automaker is headed to Dan Gilbert's Hudson's Detroit — where it put its stamp on its new home with a giant logo.

The branding comes as thousands were expected to attend an invitation-only soiree Friday evening touted as a "grand reveal."

GM hauled the sign downtown on a flatbed truck Thursday and completed installation overnight, a spokesperson said in an email. Detroiters on Friday morning awoke to see the automaker's emblem hanging from the 12-story building's face off Woodward Avenue.

GM will move its global headquarters from the nearby Renaissance Center to the site of the former J.L. Hudson departme

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