Paint problems of the 2008 Mercury Grand Marquis

Took car through car wash after winter and a large section of paint came off the hood. . This is a florida car. . It was the second winter in buffalo. . Also found other spots on car where paint is coming off. . . Was looking for a newer Grand Marquis and a lot of them also had paint coming. . . All were the silver birch . . . The paint doesn't appear to adhere to the primer. . .

I have 5 locations where the paint is peeling off. Hood, roof and back window area. I have seen other gms and lincolns with the same peeling. The peeling areas a growing in size. Pieces of paint 1 inch sq comes off at a time. I should not have this problem on a 4 year old car. I think Ford should fix the problem. I had a 1993 gm also with the same problem. But on the 93 car it started when the car was older.

My Grand Marquis LS 2008 paint have cracked and falling off the hood, top, and back. It is rusted on top were the paint have peel off and now its starting on the hood. Took back to dealer and was told that the paint on car was not cover. It start peeling two month after we got the car didn't have them many miles. So what can be done about my car peeling paint. Every time you wash the car more paint coming off. After that the engine cooling system went out and they told me they are responsible.