Just last week, we pointed you toward the 2010 Pontiac Vibe ... from the California plant that really showed the company how archrival Toyota made such high-quality cars.

The last Toyota Corolla rolled off the line at the New United Motor Manufacturing Inc. (NUMMI) plant ... the cars when they hit dealer showrooms. GM had the same problem with the Pontiac Vibe.

While the lithium-ion battery "Gigafactory" under construction in Nevada continues to get most of the attention, Tesla's existing assembly plant ... cars a year--mostly compacts like the Pontiac ...