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3 Ways to Replace Car Keys - wikiHow

Depending on the sophistication of your car key you may be able to have a new electronic key programmed by a locksmith. Many new car keys have a microchip in them to prevent duplication. However, if you have a key with a transponder in it you can probably get a new one at a locksmith for $50.00 - $120.00 depending on your car and your area..