I BEEN HAVING PROBLEMS WITH MY ALARM REMOTE


The stock alarm remote i been having a little problem. I am wondering if anyone can help this is what my remote looks like.............




when i click the lock button the car would lock good
when i click on the unlockbutton the light inside the car supposed to light up like it use too

IT's still locking and unlcoking but its not turning the light inside what could it be if it is a fuse in what fuse box hte one under the hood or the one in the dashboard