are these the right leds for changeing the 1s in sunroof switch

[0191joe123]

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=4663970
as title just a cant get them to work do i need to bridge a resistor or sumit,thanks ps.is there a writeup in changeing the leds in the sunroof switch anywhere,thanks alot in advance