Hello,
I have a 2013 XKR and have spent hours trawling sites, forums, user guides, techpubs etc...
I imported mine last year, thankfully the guy doing the French MOT said "well its a UK car so I didn't test the lights".
So in fact I was able to get the paper I needed to register the car and now have a 2 year breathing space before the next test !
What I found was:
There are a mind boggling number of combinations of headlamp, bulb and configurations for the front light
Jaguar don't know the answer despite providing them with the VIN number
There isn't an ea