Using a Key Programmer Modern key fobs go beyond just keys. They communicate with a vehicle to start it and open the rear hatch, and so on. To do so they must be programmed to work together. Car dealerships, your vehicle manufacturer and auto locksmiths all offer key programming services. https://g28carkeys96202.blogzet.com/a-delightful-rant-about-car-key-programmer-44212892