NHTSA urges some GM van owners to park outside due to fire risk NHTSA urges some GM van owners to park outside due to fire risk March 31, 2021 dzadmin Comments 0 Comment About 10,000 model year 2021 Chevrolet Express and GMC Savana vehicles with 6.6-liter gasoline engines were recalled after reports of four engine fires tied to a short circuit issue.