just pop the clock out using a small screw driverthen look for a small round black button on the backside of clock you should see marks that look likea slot for a screwdriver on the button just turn that button until it comes loose you should see a small bulbconnected to the button, go to the honda place andpurchase a new one.then follow the the directions in reverse. your clock will glow like new. let me know.leroy.