Hy-Ko Nissan Programmable Chip Key. Car ChipKeys (transponder keys) contain a computer chip in the head of the key programmed to the vehicle’s security system. Duplicate keys require programming this matching code in order to operate the vehicle. The ChipKey must be first electronically programmed at the store with Hy-Ko’s C3 I-Tool and then cut on a standard key cutting machine. ChipKey is waterproof to protect internal chip. 1 each in clamshell. Incompatible with the Ilco key programming system. We do our best to ensure the accuracy of every listings. Unfortunately, do to our high volume, mistakes sometimes occur. This item is in the category “Collectibles\Tools, Hardware & Locks\Locks, Keys”. The seller is “nilsonhardware” and is located in this country: US. This item can be shipped to United States, China, Mexico, Germany, Japan, Brazil.