> 90’s GM forgot how to make paint stick to metal and had to pay to repaint a massive number of vehicles that simply pealed if parked outside for too long. How?

> 90’s GM forgot how to make paint stick to metal and had to pay to repaint a massive number of vehicles that simply pealed if parked outside for too long. How? Dodge Ram Trucks had exactly the same problem. I also have no idea how two different companies with 100 years of history simply forgot how to paint cars.