I have a 2007 xkr this warning light has been on for a year now I finally to to dealer after 2 hours of diagnostic charge they cannot find problem they said headlights are working properly and try to ignore it. Smh I need help this light is a pain

 

My guess is that your technician was incompetent. Find another Jaguar dealer or an independent shop qualified to work on late model Jaguars that has the necessary diagnostic equipment.