Oh no, that's rough! I read somewhere that basic silicone is a nightmare for van windows because it doesn't bond well with metal or glass over time. It just peels off like you're seeing, especially with movement and weather changes. A lot of builders swear by using butyl tape first for the seal, then a proper adhesive sealant on top. You gotta clean the area super well with alcohol too, or nothing sticks right. Mold is no joke, so you really need to redo it soon before it gets worse.

Right? That whiter than screen paper thing kills me. Saw one last week where the flowers looked like cheap plastic instead of paint, totally fake.