paint problems

It's like a black chrome, but I dont think I can find any touch up paint like it, yet there's more and more of it coming off.

UNDER NORMAL SUN EXPOSURE, THIS VEHICLE HAS EXTREME HAIRLINE SCRATCHES THROUGHOUT!!!THERE IS NO REASON THAT A 4 YEAR OLD CAR,, SHOULD HAVE ITS PAINT THIS BAD!!

My driver's side mirror has developed a problem with paint peeling off the top. I visited my local Buick dealership and had the service manager take a look at it. He took pictures of it and sent those pictures to the regional Buick office. After two weeks he told me Buick would not cover...