DETROIT — Ford Motor Co., General Motors and Jeep maker Stellantis NV are reimplementing a mask mandate starting Monday at their facilities in Michigan counties that the Centers for Disease Control and Prevention have labeled as “high” risk for COVID-19 infection. Ford’s statement didn’t specify how long the mandate will last. Stellantis says it expects the requirement for the company-issued masks will be in place for two weeks. It affects employees, contractors and visitors at all facilities located in counties where the CDC now is recommending masks indoors. There are 16 in Michigan, includi…