My Chime for 'lights left on' isn't working!

It's a 2009 Ford Cmax Diesel. I keep leaving my lights on because of it.
The chime works if you don't have your searbelt on ETC. It's Set correctly in the dashboard menu. I just can't seem to get it to work.

Is there any ford techies that have seen this problem before?

Any info would be appriciated


Thanks