I have a similar "dissolution" on the inside of the storage cubby above the ashtray. I don't know for sure, but I think it is the "Softlack" paint from Mankiewicz that can't stand up to Florida heat. I also have an '05 Jetta that is looking disgusting because of what seems to be the same thing. I'm not sure if there's a spray can repair soluton.

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Prost!