If compressed air or small pressure washer won't get the rest of the peeling off - could try a dishwasher. The hot water might get to it.
You'd want to remove the HL/wiper callouts and the bird emblem.
Oven Cleaner might do it as well.
That's supposedly the go to for removing the yellowed degraded coating from TA bezels.
Same again about removing the plastics first.
They need to come off anyway.
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