auto headlight

My Buick Encore 2016 has started chiming when the key is taken out and the door is opened. I've realized that it might be because of something having to do with the automatic light system. When I turn the light control all the way counterclockwise--instead of momentarily turning to "auto off"...

2000-2002 Buick Century Locate Body control Module (BCM). This unit is a black box approximately 6" square and 1-1/2" thick with 4 connectors entering one end. Hunting with the door open and key in the ignition, follow your ears to the chime inside. On the 2000-2002 Buick Century, it resides to...