General Motors today passed another milestone in its move to an all-electric future as Cadillac celebrated the beginning of retail production of the 2023 Cadillac LYRIQ at GM’s Spring Hill, Tennessee, assembly plant. GM President Mark Reuss, Cadillac Vice President Rory Harvey, Tennessee Gov. Bill Lee, UAW representatives, plant employees and other officials were on hand. The real dignitaries were the workers who made it happen.