Quote:
Originally Posted by 80stech
I have the same thing but I need just to wiggle the new key a bit the first time. The problem is that the lock cylinder and the original key are both worn together and the new key is sharp and catches on the worn lock cylinder. Lube and wiggling will probably do the trick and maybe wire wheel to round off the new key might be the answer but I don't know if I would risk that, maybe talk to dealer and/or locksmith.
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This! Happened to me too with a brand new key. I used a brass wire brush to smooth the sharp ridges and corners on the key blade (first protected the plastic part with masking tape). The difference was immediate and after a few weeks the new key worked exactly like the old one.