Corsa-B.uk - Vauxhall, Opel and Holden Corsa B Owners Club

I have got some blue led bulbs for the back of my binicle. i was wondering whether they are plug in or solder in????? and also if anybody could help because i dont know how to take apart my dash.????? please help

http://forums.corsa-b.co.uk/viewtopic.php?f=54&t=17235

that should help n i there are just pull out n replace i belive i will get corrected if im wrong