Pontiac G6's are shown at the General Motors Orion Assembly plant in Orion Township, Mich. , Friday, Dec. 12, 2008. GM said it will temporarily close 20 factories across North America cutting 250,000 vehicles from its production schedule for the first quarter of 2009, which includes a cut of 60,000 vehicles announced last week. Normal production would be around 750,000 cars and trucks for the quarter.