It happened again today!

Here is a quick video, sometimes it starts fine, sometimes it just says 'KLANG' 'KLANG' 'KLANG'.
http://s48.photobucket.com/albums/f227/spudgun22/?action=view¤t=V310309_1025.flvI guess I'll wait for it to start again, and then drive straight to the dealer...
Cerealsurfer, your thoughts?