Car Key Reprogramming Car key reprogramming involves programming a blank chip in the car key replacement to make it compatible with your car. It is much more efficient than ordering a new key from the dealer and can save you money. Locksmiths are usually the ones who execute this process. https://g28-car-keys13069.blog-eye.com/29507872/how-to-explain-car-key-programmer-to-a-five-year-old