You are able to program a 1994 Jaguar Xj keyless entry remote by yourself using the simple programming instructions we send with the remote. They are very easy for the average customer to follow without any automotive experience. If you are having problems with programming a 1994 Jaguar Xj you can call our technical support line for help. This keyless entry remote comes with brand new battery installed and is tested for functionality before sending. This Remote keyless entry comes with 1 buttons and if you look on the back of the unit, you may see some of these numbers: G57-JTX318 - 433 Mhz . Use these numbers to confirm that your Remote keyless entry will match this product and that it will work for your vehicle.