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How Are Car, Truck and SUV Keys Made? Typically, you can get regular car keys made by the local locksmith shop or dealerships. Modern smart keys and FOBs, however, require special equipment to program the vehicle. The keys contain an embedded transponder chip that emits a message when the key is inserted into the ignition. This signals an immobilizer in the car to stop it from getting started. 1. VIN Number The VIN (Vehicle Identification Number) is a 17-character alphanumeric code