Self-confessed `` Saturnistas '' attended `` homecomings '' on the Spring Hill campus . Spring Hill population jumped 1,600 percent since GM facility opened there . Future uncertain for about 200 workers ; GM could close , sell or phase out plant . Facility began using Pontiac Motor City instead of Saturn about two years ago . Resident says anxious father - in - law washed lawn five times last week .
Spring Hill population jumped 1,600 percent since GM facility opened there . Future uncertain for about 200 workers ; GM could close , sell or phase out plant . Facility began using Pontiac Motor City instead of Saturn about two years ago . Resident says anxious father - in - law washed lawn five times last week .