How do you reprogram keyfobs jaguar xjr 2005?

To reprogram the key fobs for a 2005 Jaguar XJR, first, ensure you have all the key fobs you wish to program. Insert the key into the ignition and turn it to the "On" position without starting the engine. Within five seconds, press and hold the lock button on the key fob for about 10 seconds, then release it. Repeat this process for any additional fobs, turning the ignition off to complete the programming.