The company said it had reached the limit of what it could offer to the United Automobile Workers union, which has expanded its strike to Ford’s largest plant.
The United Automobile Workers said on Friday it had secured an important concession from General Motors regarding the contracts of workers at battery factories.
The former president will be making a campaign stop in Michigan on Wednesday amid the United Automobile Workers’ strike. He has both appeased unions and sought to circumvent them.
The president and his leading Republican rival are heading to Michigan to address members of the U.A.W., whose political clout is growing.
President Biden’s trip comes a day before former President Donald J. Trump arrives in Michigan, as the two men offer dueling messages to a powerful voting bloc in a key swing state.
Their responses obscure the nature of the conflict.
Contract talks at an electric vehicle battery plant in Lordstown could have even more of an impact than the autoworkers’ strike on the labor standards of the emerging electric-vehicle industry.
Elon Musk, the Tesla chief executive, may be able to exploit his rivals’ weaknesses, but the United Auto Workers union also has the electric carmaker in its sights.
Fewer Michigan residents work in auto manufacturing than before, but a strike by U.A.W. members is a reminder of what the industry still means to the state.
Autoworkers want, and deserve, a big raise. But they are asking for too much.