General Motors announced Wednesday that it would lay off 630 hourly workers at its Spring Hill factory in Tennessee.

The plant previously employed around 3,700 people. In the aftermath of the COVID-19 pandemic, GM brought the first and second shifts back online, saying it would examine market conditions in making its decision to restart the plant's third shift.

This week, though, GM said it would cut the third shift indefinitely due to economic conditions. The move is meaningful because the Spring Hill facility produces the GMC Acadia, the Cadillac XT5, and the Cadillac XT6.

"This adjustment allows the plant to maintain stable production, protect the value of our brands in any sales environment, and to provide the smallest impact to plant employment going forward," GM spokeswoman Katy Teer said.

As well as producing crossovers, the Spring Hill facility also produces a number of engines, including the 5.3-liter EcoTec3 V8 and the 6.2-liter L87 V8.

Although the plant produces crossovers, one of the most popular segments in the industry, two of those crossovers are premium models. With unemployment rates still rising and the threat of layoffs looming in all industries, it's possible that the premium segment will be troubled in the near future.