The facelift 4.0 litre models do have Cruise Control as an option< so you might be able to retro fit one to your 3.6 Automatic Trevor. I have a donor 1995 4.0litre XJS auto, with Cruise Control, which at some point in the future I'm hoping to dismantle and reassemble in either my 1994 Couple or possibly the 1993 Convertible - all something for the future at the moment I'm afraid. Laurence