You can get replacement car keys made at a few different locations, but the location that you choose affects costs, quality, and your overall satisfaction of your product. The auto dealership can make any keys that you need, but it will cost you dearly for the service. Locksmiths are the usually go-to professionals when you need keys made for the car. They provide quality keys at an affordable price. Hardware and home improvement stores also make keys. And nowadays, key cutting machines sit in store corridors, though using these machines is risky.