1999 Saab 93 Transponder Chip Key must be cut and programmed before it will work for your vehicle. Cutting and programming can be performed at an automotive locksmith shop or your local dealership. There are no onboard programming instructions available for 1999 Saab 93 chip key. Only a professional with special tools can make it work for your vehicle. Please make sure that you already have an existing key for the vehicle before you purchase this item. if you are in a lost key situation, and you don't have any key for the vehicle, Please double check with your local dealership for compatibility. For further info about this issue please contact our support office.