Reprogramming Car Keys Transponder keys are believed to be more secure for vehicles and more difficult to copy by thieves. However, a key might require reprogramming in the event that it is damaged or lost. You can program key fobs yourself however, you must be aware of the correct procedure. https://autolocksmith03210.bloggadores.com/28943132/12-companies-leading-the-way-in-car-key-programmer