2026 New Hyundai Sonata 2026 for sale The key is new and from the agency, and the chip is from the agency, it just needs programming and you're good to go. The key is the agency's spare. And it works. Agency chip. Stone: The internal battery is from the agency. The key has never been opened and has the agency sticker on it. Serious buyers will not be disappointed, and shipping is on me.