You are able to program 2000 JAGUAR S TYPE Remote key by yourself if you have two working keys (or keys that start the vehicle). The new remote key will first need to be cut to match your original at an automotive locksmith or the dealership. Once the remote head key is cut, you can use the printed programming instructions that we send to make the remote key work for 2000 JAGUAR S TYPE. The instructions are very easy to understand and can be performed in less than a minute. If you only have one or you lost all working key for the vehicle, the programming can only be done at the locksmith or dealership that cuts the key for you. This Remote key comes with New battery installed and is tested for functionality before sending. 2000 S type came out with two different options for keys, one with remote flip key and the other one with a separate key and remote, please make sure you order the one you need for your vehicle. please call our tech support for help in determining which style you will need.