[peachferrari]

Well, if it's like mine (2005 w/sunroof) then the 2 outside buttons control each light separately, and the middle one (says "door" on mine) has 2 settings. If it's in, the lights (both) come on when I open the door. If it's off (out), they don't. If your middle button won't stay "on" then that's probably the problem.