Hi Colin, no experience of this model myself but had a little google search anyway for you. Any of this lot below any help?
Bulb change from the VXR forum: http://www.vxronline.co.uk/forum/showthread.php?121479-How-To-Replace-Halogen-bulbs-via-dropping-the-bumper
Looks for the most part though that it's just another one of those PITA car designs were practicality has been forgotten during the concept stage or the designers have purposefully done it in order to get more people to take their cars to the dealers for even the minor things.