Spring Hill Manufacturing is an automotive manufacturing plant in Spring Hill, Tennessee, United States, owned and operated by General Motors. The plant currently assembles the Cadillac XT5, Cadillac Lyriq, Cadillac Vistiq, Honda Prologue and Acura ZDX crossover SUVs for the North American market, and also includes powertrain, stamping and molding operations. It was developed from 1985 and launched in 1990 as the sole manufacturing facility for Saturn Corporation.