lights inside my dts

hello...   i have a 2002 dts  and the lights in the inside of my caddie for the buttons are not  lighting up on some ....   is it a  replacmenet buld . can i replace them , or the dealer on the way we go lol ? can u drop me an email on my blackberry  @ ob@mycingular.blackberry.net 



thanks u all...


cherrs.....