Normal Motors plans to halt manufacturing at 5 factories in North America and reduce hundreds of jobs.
The US carmaker has additionally introduced it should shut three crops outdoors North America by the tip of 2019.
The strikes comply with rising prices and slowing automotive gross sales and are available because the US carmaker focuses on its line-up of vehicles, electrical and self-driving automobiles.
The corporate mentioned the plan would assist it to save lots of about $6bn (£four.7bn).
The cutbacks embrace a 15% discount the variety of its workers, together with 25% fewer executives.
The 5 crops in North America alone make use of about 7,000 individuals presently.
“The actions we’re taking at present proceed our transformation to be extremely agile, resilient and worthwhile, whereas giving us the pliability to take a position sooner or later,” mentioned GM chairman and chief government Mary Barra.
“We recognise the necessity to keep in entrance of fixing market circumstances and buyer preferences to place our firm for long-term success.”
The agency mentioned it was reducing manufacturing of the Buick LaCross, Chevrolet Volt, Cadillac CT6 and XTS and Chevrolet Impala, in addition to older variations of the Silverado and Sierra.
The closures embrace meeting crops in Oshawa, Canada; Detroit, Michigan and Warren, Ohio; in addition to factories in Warren, Michigan and out of doors of Baltimore, Maryland.
Normal Motors had signalled a few of its plans beforehand.
In February, the corporate mentioned it might shut one plant in South Korea. It additionally provided buyouts to hundreds of staff earlier this 12 months.