I recall reading here that a guy was able to move the key or remove it by vibrating it with a dual action sander while pulling it or turning the key steadily.

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2009 E320 Bluetec 117,000
1995 E300D 306,000 Sold
1996 Ford Taurus LX 130,000 Sold
1985 300TD Still 225,000 Sold
2016 Ford Fusion 24,900