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Car Key Cutting Explained Car key cutting is more than just shaping the metal. It is a complex process that ensures safety, functionality and longevity of keys. It is not unusual to lose keys to your car or have them break through the lock. To ensure that you are able to always drive your car you'll need a new key cut. Transponder Keys If your car was built in the past 20 years, it's likely to have a transponder chip. These microchips are tiny located in the handl