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Vehicle Key Repairs If your car's key is refusing to turn in the ignition, it can be frustrating. It's generally an easy fix. Lubricate the lock's cylinder to let the pins fall correctly. The silicone-based lubricant will also stop dirt particles from getting into the lock. Transponder Keys Transponder keys, also referred to as "chip" keys, are equipped with an electronic microchip embedded into the plastic head. It's a bit more difficult to duplicate than a traditional metal key, however most