I`d tape off the trim or use a different product, or quickly go over the trim by hand with KAIO like Dan recommends (I must have done this too but it`s been so long ago) hoping that will remove any residue.
My personal recommendation for trim protection is Wolfgang Exterior Trim Sealant (WETS). If the car is still "new" and the trim isn`t faded, a product like Optimum Opti-Seal might surprise you and supplant your Klasse products. Full Disclosure: I`m still on my bottle of original version Opti-Seal, it`s gone through at least one reformulation after that, and now has had ceramic added to it, so it may no longer be as idiot-proof as my version.
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