Workers at the General Motors Truck Plant in Flint will have their schedule adjusted Sunday

The third shift start time will be moved to 10:45 p.m. Sunday. The plant builds the popular Chevrolet Silverado and GMC Sierra pickup trucks and is the only GM factory in Michigan with a Sunday shift. The NFC Championship Game between the Lions and San Francisco 49ers begins at 6:30 Sunday evening with the winner advancing to the Super Bowl.