How to Get a Hyundai Car Key Replacement replacing hyundai key Digital Key allows you to unlock your car and start it up using your smartphone. If you lose your Hyundai remote fob, you can call an locksmith for the automotive or dealer to request a replacement. It's important to understand your options when you need an alternative Hyundai car key. This article will cover the pros and cons of each choice. Cost If you lose your Hyundai car keys, it could be a major hassle. There are a variety of options to replace the keys. You can make contact with a dealership or locksmith, or purchase an unprogrammed key and have it programmed. The cost of the key and programming will be different depending on the method you choose. The cost of an Hyundai key replacement could range between $90 and $440. This is because modern automobiles require more advanced technology than before. This includes the use of chips and transponders to unlock and start the vehicle.