Hi All This is from the the XJ handbook, i suppose the options available to you are based on the 'Time & Place' you come across this problem, always good to have a plan B! You would of course use your key to gain access to the inside of the car, via the drivers door (the Old fashioned way) http://www.jaguar.nl/Images/XJ_Owners_Handbook_11MY(2)_tcm141-38739.pdf just in case the link does not take you to the correct page, its page 67, please note the WARNING! do not attempt to start the car using this method.