Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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GMTECH
AUTOMOTIVE REPAIR CONTRIBUTOR
537 POSTS
You will most likely need a new ignition cylinder but you can try lubing it with wd-40 or something similar and then let it sit for a minute or 2. Tap the key with a hammer very gently to see if it will free up.